I m p e r I a L g a z e t t ee r o f I n d I a vol. X i I i
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- THE HI MALA YAS ! 2 5
* , T 1 , , . . . Population. . and 1,463 villages. I he recorded population in creased from 35,262 in 1872 to 95,637 in 1881, and to 137,442 in 1891 ; but the first two enumerations were probably inaccurate. The increase of 26 per cent, in 1901 was due mainly to the growing im migration from the neighbouring Districts, 44,000 immigrants having been enumerated in 1901. The same reason explains the deficiency of females, there being only 874 to every 1,000 males. Of the popu lation 44 per cent, speak Tippera or Mrung, a dialect of the Bodo family, of which Kachar! and Garo are the other most important repre sentatives, and 40 per cent. Bengali ; many of the remainder speak languages of the Kiiki-Chin group, such as Manipur! and Hallam. Hindus form 69 per cent, of the inhabitants, Musalmans 26 per cent., Buddhists 3 per cent., and Animists less than 2 per cent. The Tipperas are a Mongolian race, and appear to be identical with
T 20 HILL TIPPERA the Murungs of Arakan. Outside the State and Tippera District they are found in large numbers only in the Chittagong Hill Tracts. In Hill Tippera they number 76,000, and are divided into Puran or original Tipperas, and Jamatias, the fighting caste. There are two other divisions which are not regarded as true Tipperas : the Nawatias, who are said to have come from Chittagong; and the Riyangs, who are of Kuki origin and were formerly the /¿/¿/-bearers of the Tippera Rajas. Although the religion of the tribe is returned as Hindu, it is a curious mixture of Hinduism and Animism ; the old tribal gods have not yet been ousted, and they are worshipped side by side with those of the Hindus by tribal priests called Ojhas. A list of the deities worshipped will be found on pp. 186 and 187 of the
, 1901. The family gods of the Tippera kings are known as the chaudali devixta , or ‘fourteen gods’; and they include Tuima, a river goddess, Lampra, the god who rules the sky and ocean, and Burasa, the forest god, the remainder being Hindu deities. Goats and buffaloes are sacrificed at their shrines, and in former times human beings were immolated. The marriage customs of the hill tribes are primitive. When a young man wishes to marry a girl, he serves for one to three years in her father’s house. Infant marriage is rare, and divorce and the remarriage of widows are allowed. The dead are cremated. The other castes are immigrant Manipuris, and Kukis and Chakmas from the C
H ill T racts . Agriculture supports 91 per cent, of the population and industries 3 per cent. jhum cultivation is almost universal, except in the narrow strip of plain which adjoins British territory. The . forest on a hill-side is cut, and burnt when it has ' dried ; and as soon as the rains break, seeds of various crops are sown in holes made for the purpose. No agricultural statistics are available; but the principal crop and main food staple is rice, both in the plains and in the hills. Other crops grown in the plains are jute, tobacco, sugar-cane, mustard, chillies, and onions; and in the hills cotton, chillies, and sesamum. Attempts have been made of late years to induce the Tipperas to resort to plough culti vation, and a few agricultural banks have been established by the State; a model farm has also been started. The breeds of buffaloes are known as Manipuri and Bangar ; the former are the stronger. Pasturage,is abundant. The forest which covers the hills contains sal
(Cedrela Toona), gamhdr
), and
garjan
and large quantities of bamboos and canes. The timber and other produce are floated down the rivers, and the wood is largely used for boatbuilding; the export duty on forest produce yields over 2 lakhs annually to the State. ADMINISTRA TION 121
An area of 15 square miles of forest has been reserved, in which teak, mahogany, sissu
rubber, and mulberry are being cultivated. The only manufacture is cotton cloth of the coarsest quality made by the Manipuri and Tippera women. The principal exports are cotton, timber, sesamum, bamboos, canes, thatching-grass, and firewood; an export duty is levied on all these Trade and . ,
, •, 1 communications, articles. The imports are salt, kerosene oil, tobacco, and European piece-goods. The chief trade centres are A gartala , Khowai, Kailashahar, U daipur
, Bisalgarh, and Mohanpur; business is chiefly in the hands of Indian Sahas. At some of these centres annual fairs are held, at which merchants from the neighbouring British Districts assemble and the hill people make their annual purchases. Traffic is carried on chiefly by water; in the dry season, when the rivers are not navigable by boats of more than 2 tons burden, rafts and canoes are used. There are 105 miles of road, mainly in the neighbourhood of Agartala; feeder-roads are now under construction to the stations on the Assam-Bengal Railway, which passes outside the western boundary of the State. The administration is conducted by the Minister at Agartala, assisted by the dnvdn and other subordinates. The laws are framed by a legislative council, and are modelled on the . laws of British India. The State is divided into Administratl0n * seven administrative divisions—Agartala, Udaipur, Sonamura, Belonia, Khowai, Dharmanagar, and Kailashahar—each presided over by an officer ordinarily styled Magistrate-Collector, whose duties correspond to those of a District officer in British non-regulation Districts; he is subordinate to the Minister except in judicial matters. The chief judicial authority is vested in the
appellate court, which is pre sided over by three Judges and is similar in constitution to a Chief Court in British Provinces. Subordinate to the AT ids appellate court is a court, presided over by a Judge, which hears all civil and criminal appeals from the divisional officers and tries Sessions cases. The officials are mainly natives of Bengal, many of them graduates of the Calcutta University; but certain offices are held exclusively by the Thakurs who are connected with the Raja by marriage or other wise.
A gartala
is the only municipality. The State revenue increased from 2-4 lakhs in 1881-2 to 4-6 lakhs in 1892-3 and 8*17 lakhs in 1903-4, of which 2-32 lakhs was derived from land revenue. Duties arc levied on exports, such as cotton, ///, and forest products, bringing in 2-78 lakhs in 1903-4. The income derived from elephant-catching is decreasing, as these animals are becoming scarce. 1 2 2 HILL TIPPERA The Ràjâ is the proprietor of the soil, and the land is held either direct by cultivators or under
grants, which may be either per petual or temporary. In the hills a family tax is realized from
cultivators, and rents are paid only for lands in the plains ; the rates vary from 12 annas to Rs. 9-8, the average being Rs. 3 per acre. The State is being cadastrally surveyed and settled. A military force of 330 officers and men is maintained by the State. The force under the Superintendent of police numbers 8 inspectors, 26
, 33
naib-dârogas, 40 head constables, 49 writer constables, and 308 constables, posted at 22 police stations and 34 outposts. There is a jail at Agartala and a lock-up at each of the divisional head-quarters ; the average daily number of prisoners in 1903-4 was 47.
Education is very backward, and in 1901 only 2-3 per cent, of the population (4-1 males and 0-2 females) could read and write. The number of pupils under instruction increased from 619 in 1881 to 1,059 in 1892-3 and 1,704 in 1900-1, while 3,008 boys and 117 girls were at school in 1903-4. The number of educational insti tutions in that year was 103, including an Arts college, a secondary school, 99 primary schools, and 2 special schools. Of the primary schools, 88 are in the hills, and special scholarships have been founded for hill boys. An artisan school has recently been started, in which carpentry and brass and ironwork are taught. There are boarding houses at the college and high school, where accommodation and medical aid are provided free of cost. A special boarding-house has also been established for the Thâkur boys, and in connexion with it, a class has been opened for the training of such Thàkurs as are willing to enter the civil service of the State ; separate arrangements have also been made for the education of members of the ruling family. The expenditure on education in 1903-4 amounted to Rs. 70,000, which was entirely borne by the State, all education being free. The State maintains ten charitable dispensaries, under the control and supervision of the State physician. The total number of out patients in 1903-4 was 35,269, and of in-patients 657 ; 401 operations were performed. The expenditure was Rs. 26,500, entirely borne by the State. Vaccination is not compulsory, but is making progress, and 7,756 persons were vaccinated in 1903-4. [Sir \V. W. Hunter,
, vol. vi ; Sir A. Mackenzie,
(Calcutta, 1884); Rev. James Long, ‘Abstract of the Râjmâla,’
(1850), vol. xix, p. 533; J. G. Cumming, Settlement Report of Châkla Roshnàbàd (Calcutta, 1899).] Hilsâ.—Village in the Bihàr subdivision of Patna District, Bengal,
THE HIMALAYAS 1 2 3
situated in 25 0 19' N. and 85° 17' E., 13 miles from the Fatwa station on the East Indian Railway, with which it is connected by road. Population (1901), 2,478. Hilsa is a large market, where a brisk trade in food-grains and oilseeds is carried on with Patna, Gaya, Hazaribagh, and Palamau. Himalayas, The. —A system of stupendous mountain ranges, lying along the northern frontiers of the Indian Empire, and containing some of the highest peaks in the world. Literally, the name is equivalent to ‘ the abode of snow ’ (from the Sanskrit
‘ frost,’ and dlaya , ‘dwelling-place’). To the early geographers the mountains were known as Imaus or Himaus and Hemodas ; and there is reason to believe that these names were applied to the western and eastern parts respectively, the sources of the Ganges being taken as the dividing line. ‘ Hemodas ’ represents the Sanskrit Himavata (Prakrit Hetnota), mean
ing ‘snowy.’ The Greeks who accompanied Alexander styled the mountains the Indian Caucasus. Modern writers have sometimes included in the system the Muztagh range, and its extension the Karakoram ; but it is now generally agreed that the Indus should be considered the north-western limit. From the great peak of Nanga Parbat in Kashmir, the Himalayas stretch eastward for twenty degrees of longitude, in a curve which has been compared to the blade of a scimitar, the edge facing the plains of India. Barely one-third of this vast range of mountains is known with any degree of accuracy. The Indian Survey department is primarily engaged in supplying administrative needs ; and although every effort is made in fulfilling this duty to collect information of purely scientific interest, much still remains to be done. A brief abstract of our knowledge of the Himalayas may be given by shortly describing the political divisions of India which include them. On the extreme north-west, more than half of the State of KashmIr and Jammu lies in the Himalayas, and this portion has been described in some detail by Drew in
, and by Sir W. Lawrence in
The next section, appertaining to the Punjab and forming the British District of Kangra and the group of feudatories known as the Simla Hill States, is better known. East of this lies the Ivumaun Division of the United Provinces, attached to which is the Tehri State. This portion has been surveyed in detail, owing to the requirements of the revenue administration, and is also familiar from the careful accounts of travellers. For 500 miles the State of Nepal occupies the mountains, and is to the present day almost a terra incognita , owing to the acquiescence by the British Government in the policy of exclusion adopted by its rulers. Our knowledge of the topography of this portion of the Himalayas is limited to the information obtained during the operations of 1816, materials
124 THE HIMALAYAS collected by British officials resident at Katmandu, notably B. H. Hodgson, and the accounts of native explorers. The eastern border of Nepal is formed by the State of Sikkim and the Bengal District of Darjeeling, which have been graphically described by Sir Joseph Hooker and more recently by Mr. Douglas Freshfield. A small wedge of Tibetan territory, known as the Chumbi Valley, separates Sikkim from Bhutan, which latter has seldom been visited by Euro peans. East of Bhutan the Himalayas are inhabited by savage tribes, with whom no intercourse is possible except in the shape of punitive expeditions following raids on the plains. Thus a stretch of nearly 400 miles in the eastern portion of the range is imperfectly known. In the western part of the Himalayas, which, as has been shown, has been more completely examined than elsewhere, the system may be divided into three portions. The central or main axis is the highest, which, starting at Nanga Parbat on the north-west, follows the general direction of the range. Though it contains numerous lofty peaks, including Nanda Devi, the highest mountain in British India, it is not a true watershed. North of it lies another range, here forming the boundary between India and Tibet, which shuts off the valley of the Indus, and thus may be described as a real water-parting. From the central axis, and usually from the peaks in it, spurs diverge, with a general south-easterly or south-westerly direction, but actually winding to a considerable extent. These spurs, which may be called the Outer Himalayas, cease with some abruptness at their southern extremities, so that the general elevation is 8,000 or 9,000 feet a few miles from the plains. Separated from the Outer Himalayas by elevated valleys or duns is a lower range known as the Siwaliks, which is well marked between the Beas and the Ganges, reappears to the south of central Kumaun, and is believed to exist in Nepal. Although the general character of the Himalayas in Nepal is less accurately known, there is reason to suppose that it approximates to that of the western ranges. Within the limits of this great mountain chain all varieties of scenery can be obtained, except the placid charm of level country. Luxuriant vegetation clothes the outer slopes, gradually giving place to more sombre forests. As higher elevations are reached, the very desolation of the landscape affects the imagination even more than the beautiful scenery left behind. It is not surprising that these massive peaks are venerated by the Hindus, and are intimately connected with their religion, as giving rise to some of the most sacred rivers, as well as on account of legendary associations. A recent writer has vividly described the impressions of a traveller through the foreground of a journey to the snows in Sikkim 1 :—
D. W. Fresh field in 'I'he Geographical Journal , vol. xix, p. 453. THE HI MALA YAS ! 2 5 ‘ He sees at one glance the shadowy valleys from which shining mist-columns rise at noon against a luminous sky, the forest ridges, stretching fold behind fold in softly undulating lines—dotted by the white specks which mark the situation of Buddhist monasteries—to the glacier-draped pinnacles and precipices of the snowy range. He passes from the zone of tree-ferns, bamboos, orange-groves, and
forest, through an endless colonnade of tall-stemmed magnolias, oaks, and chestnut trees, fringed with delicate orchids and festooned by long convolvuluses, to the region of gigantic pines, junipers, firs, and larches. Down each ravine sparkles a brimming torrent, making the ferns and flowers nod as it dashes past them. Superb butterflies, black and blue, or flashes of rainbow colours that turn at pleasure into exact imitations of dead leaves, the fairies of this lavish transformation scene of Nature, sail in and out between the sunlight and the gloom. The mountaineer pushes on by a track half buried between the red twisted stems of tree-rhododendrons, hung with long waving lichens, till he emerges at last on open sky and the upper pastures—the Alps of the Himalaya—fields of flowers : of gentians and edelweiss and poppies, which blossom beneath the shining storehouses of snow that encompass the ice-mailed and fluted shoulders of the giants of the range. If there are mountains in the world which combine as many beauties as the Sikkim Himalayas, no traveller has as yet discovered and described them for us.’ The line of perpetual snow varies from 15,000 to 16,000 feet 011 the southern exposures. In winter, snow generally falls at elevations above 5.000 feet in the west, while falls at 2,500 feet were twice recorded in Kumaun during the last century. Glaciers extend below the region of perpetual snow, descending to 12,000 or 13,000 feet in Kulu and Lahul, and even lower in Kumaun, while in Sikkim they are about 2.000 feet higher. On the vast store-house thus formed largely depends the prosperity of Northern India, for the great rivers which derive their water from the Himalayas have a perpetual supply which may diminish in years of drought, but cannot fail absolutely to feed the system of canals drawn from them. While all five rivers from which the Punjab derives its name rise in the Himalayas, the Sutlej alone has its source beyond the northern range, near the head-waters of the Indus and Tsan-po. In the next section are found the sources of the Jumna, Ganges, and Kali or Sarda high up in the central snowy range, while the Kauriala or Karnali, known lower down in its course as the Gogra, rises in Tibet, beyond the northern watershed. The chief rivers of Nepal, the Gandak and Kosi, each with seven main affluents, have their birth in the Himalayas, which here supply a number of smaller streams merging in the larger rivers soon after they reach the plains. Little is known of the upper courses of the northern tributaries of the Brahmaputra in Assam ; but it seems probable that the Dihang, which has been taken as the eastern
1 2 6 THE HIMALAYAS boundary of the Himalayas, is the channel connecting the Tsan-po and the Brahmaputra. Passing from east to west the principal peaks are Nanga Parbat (26,182 feet) in Kashmir; a peak in Spiti (Kangra District) exceed ing 23,000, besides three over 20,000; Nanda Devi (25,661), Trisul (23,382), Panch Chulhl (22,673), an d Nanda Kot (22,538) in the United Provinces; Mount Everest
(29,002), Devalagiri (26,826), Gosainthan (26,305) and Kinchinjunga (28,146), with several smaller peaks, in Nepal; and Dongkya (23,190), with a few rising above 20,000, in Sikkim. The most considerable stretch of level ground is the beautiful Kashmir Valley, through which flows the Jhelum. In length about 84 miles, it has a breadth varying from 20 to 25 miles. Elsewhere steep ridges and comparatively narrow gorges are the rule, the chief exception being the Valley of Nepal, which is an undulating plain about 20 miles from north to south, and 12 to 14 miles in width. Near the city of Srinagar is the Dal Lake, described as one of the most picturesque in the world. Though measuring only 4 miles by 2^, its situation among the mountains, and the natural beauty of its banks, combined with the endeavours of the Mughal emperors to embellish it, unite to form a scene of great attractions. Some miles away is the larger expanse of water known as the Wular Lake, which ordinarily covers 12^ square miles, but in years of flood expands to over 100. A number of smaller lakes, some of considerable beauty, are situated in the outer ranges in Naini Tal District. In 1903 the G ohna Lake,
in Garhwal District, was formed by the subsidence of a steep hill, rising 4,000 feet above the level of a stream which it blocked. J The geological features of the Himalayas can be conveniently grouped into three classes, roughly corresponding to the three main orographical zones : (1) the Tibetan highland zone, (2) the zone of snowy peaks and Outer Himalayas, and (3) the Sub-Himalayas. In the Tibetan highlands there is a fine display of marine fossiliferous rocks, ranging in age from Lower Palaeozoic to Tertiary. In the zone of the snowy peaks granites and crystalline schists are displayed, fringed by a mantle of unfossiliferous rocks of old, but generally unknown, age, forming the lower hills or Outer Himalayas, while in the Sub-Himalayas the rocks are practically all of Tertiary age, and are derived from the waste of the highlands to the north. The disposition of these rocks indicates the existence of a range of some sort since lower palaeozoic times, and shows that the present southern boundary of the marine strata on the northern side of the crystalline axis is not far from the original shore of the ocean in which these strata were laid down. The older unfossiliferous rocks of the 1 By T. LI. Holland, Geological Survey of India. THE HIMALAYAS 1 2 7
Lower Himalayas on the southern side of the main crystalline axis arc more nearly in agreement with the rocks which have been preserved without disturbance in the Indian Peninsula; and even remains of the great Gondwana river-formations which include our valuable deposits of coal are found in the Darjeeling area, involved in the folding move ments which in later geological times raised the Himalayas to be the greatest among the mountain ranges of the world. The Himalayas were thus marked out in very early times, but the main folding took place in the Tertiary era. The great outflow of the Deccan trap was followed by a depression of the area to the north and west, the sea in eocene times spreading itself over Rajputana and the Indus valley, covering the Punjab to the foot of the Outer Himalayas as far east as the Ganges, at the same time invading on the east the area now occupied by Assam. Then followed a rise of the land and consequent retreat of the sea, the fresh-water deposits which covered the eocene marine strata being involved in the movement as fast as they were formed, until the Sub-Himalayan zone river-deposits, no older than the pliocene, became tilted up and even overturned in the great foldings of the strata. This final rise of the Himalayan range in late Tertiary times was accompanied by the movements which gave rise to the Arakan Yoma and the Naga Hills 011 the east, and the hills of Baluchistan and Afghanistan on the west. The rise of the Himalayan range may be regarded as a great buckle in the earth’s crust, which raised the great Central Asian plateau in late Tertiary times, folding over in the Baikal region on the north against the solid mass of Siberia, and curling over as a great wave on the south against the firmly resisting mass of the Indian Peninsula. As an index to the magnitude of this movement within the Tertiary era, we find the marine fossil foraminifer,
, which lived in eocene times in the ocean, now at elevations of 20,000 feet above sea-level in Zaskar. With the rise of the Himalayan belt, there occurred a depression at its southern foot, into which the alluvial material brought down from the hills has been dropped by the rivers. In miocene times, when presumably the Himalayas did not possess their present elevation, the rivers deposited fine sands and clays in this area ; and as the elevatory process went on, these deposits became tilted up, while the rivers, attaining greater velocity with their increased gradient, brought down coarser material and formed conglomerates in pliocene times. These also became elevated and cut into by their own rivers, which are still working along their old courses, bringing down boulders to be deposited at the foot of the hills and carrying out the finer material farther over the lndo-Gangetic plain. The series of rocks which have thus been formed by the rivers, and afterwards raised to form the Sub-Himalayas, are known as the Siwalik
1 2 8 THE HIMALAYAS series. They are divisible into three stages. In the lowest and oldest, distinguished as the Nahan stage, the rocks are fine sandstones and red clays without any pebbles. In the middle stage, strings of pebbles are found with the sandstones, and these become more abundant towards the top, until we reach the conglomerates of the upper stage. Along the whole length of the Himalayas these Siwalik rocks are cut off from the older rock systems of the higher hills by a great reversed fault, which started in early Siwalik times and developed as the folding movements raised the mountains and involved in its rise the deposits formed along the foot of the range. The Siwalik strata never extended north of this great boundary fault, but the continued rise of the mountains affected these deposits, and raised them up to form the outermost zone of hills. The upper stage of the Siwalik series is famous on account of the rich collection of fossil vertebrates which it contains. Among these there are forms related to the miocene mammals of Europe, some of which, like the hippopotamus, are now unknown in India but have relatives in Africa. Many of the mammals now characteristic of India were repre sented by individuals of much greater size and variety of species in Siwalik times. The unfossiliferous rocks which form the Outer Himalayas are of unknown age, and may possibly belong in part to the unfossiliferous rocks of the Peninsula, like the Vindhyans and the Cuddapahs. Conspicuous among these rocks are the dolomitic limestones of Jaunsar and Kumaun, the probable equivalents of the similar rocks far away to the east at Buxa in the Duars. With these a series of purple quartzites and basic lava-flow is often associated. In the Simla area the un fossiliferous rocks have been traced out with considerable detail; and it has been shown that quartzites, like those of Jaunsar and Kumaun, are overlaid by a system of rocks which has been referred to the carbonaceous system on account of the black carbonaceous slates which it includes. The only example known of pre-Tertiary fossiliferous rocks south of the snowy range in the Himalayas occurs in south-west Garhwal, where there are a few fragmentary remains of mesozoic fossils of marine origin. The granite rocks, which form the core of the snowy range and in places occur also in the Lower Himalayas, are igneous rocks which may have been intruded at different periods in the history of the range. They are fringed with crystalline schists, in which a progressive metamorphism is shown from the edge of granitic rock outwards, and in the inner zone the granitic material and the pre-existing sedimentary rock have become so intimately mixed that a typical banded gneiss is produced. The resemblance of these gneisses to the well-known gneisses of Archaean age in the Peninsula and in other parts of the
THE HIM A LA VAS 1 2 9
world led earlier observers to suppose that the gneissose rocks of the Central Himalayas formed an Archaean core, against which the sediments were subsequently laid down. But as we now know for certain that both granites, such as we have in the Himalayas, and banded gneisses may be much younger, even Tertiary in age, the mere composition and structure give no clue to the age of the crystalline axis. The position of the granite rock is probably dependent on the development of low-pressure areas during the process of folding, and there is thus a prima facie reason for supposing that much of the igneous material became injected during the Tertiary period. With the younger intrusions, however, there are probably remains of injections which occurred during the more ancient movements, and there may even be traces of the very ancient Archaean gneisses ; for we know that pebbles of gneisses occur in the Cambrian conglomerates of the Tibetan zone, and these imply the existence of gneissose rocks exposed to the atmosphere in neighbouring highlands. The gneissose granite of the Central Himalayas must have consolidated under great pressure, with a thick superincumbent envelope of sedimentary strata; and their exposure to the atmosphere thus implies a long period of effectual erosion by weathering agents, which have cut down the softer sediments more easily and left the more resisting masses of crystalline rocks to form the highest peaks in the range. Excellent illustrations of the relationship of the gneissose granites to the rocks into which they have been intruded are displayed in the Dhaola Dhar in Kulu, in the Chor Peak in Garhwal, and in the Darjeeling region east of Nepal. Beyond the snowy range in the Tibetan zone we have a remarkable display of fossiliferous rocks, which alone would have been enough to make the Himalayas famous in the geological world. The boundary between Tibetan territory and Spiti and Kumaun has been the area most exhaustively studied by the Geological Survey. The rocks exposed in this zone include deposits which range in age from Cambrian to Tertiary. The oldest fossiliferous system, distinguished as the Haimantu (‘snow-covered’) system, includes some 3,000 feet of the usual sedi mentary types, with fragmentary fossils which indicate Cambrian and Silurian affinities. Above this system there are representatives of the Devonian and Carboniferous of Europe, followed by a conglomerate which marks a great stratigraphical break at the beginning of Permian times in Northern India. Above the conglomerate comes one oi the most remarkably complete succession of sediments known, ranging from Permian, without a sign of disturbance in the process of sedimentation, throughout the whole Mesozoic epoch to the beginning of Tertiary times. The highly fossiliferous character of some of the formations in this great pile of strata, like the
shales and the Spiti shales, has made this area classic ground to the palaeontologist.
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