cover image: Journal of the Asiatic Society of Bengal  Part II  Natural Scince  1893

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Journal of the Asiatic Society of Bengal Part II Natural Scince 1893

1894

The southern edge of the floor of the Sea of Bengal may in spite of its depth of over 2000 fathoms be taken as in a sense the margin also of the continent of Asia for tht.re is more than the rapid increase of slope towards the bottom of the Indian Ocean to characterise it. [...] In any case the depth of the ravines that plough the flanks of the hill on every side indicates very clearly how remote has been the period of the island's activity.t The top of the island is frequently bathed in cloud : during the ten days spent in the island in 1891 this cloud-cap seemed to envelope for the greater part of the day the last 400 feet of the peak. [...] At the landing-place in the breach there is a hot spring on the beach ; the temperature of this spring is steadily falling and at the time of the writer's visit was 106° F. The spring doubtless only represents percolation of rain water through the heated newer matrials—the inner cone and lava streams—contained within the circuit of the ancient crater.t The anchorage in the bay at the broach is [...] The interior of the crater has more vegettion than the whole outside of the cone ; near the crevices in the inner wall and especially on the south side where the soil is moistened by the condensation of escaping steam occur Nephrolep4s tuberosa (also obtained elsewhere in the island) Oheitanthes tonuifolia (very small and stunted specimens) Lyeopodium cernuum (all over the stones in the wes [...] This space forms in the case of Sumatra the main body of the island—the volcanic line being much nearer the eastern margin—and the rocks of which it is composed include all those that go to form the islands of the Nicobar Group ; these rocks appear once more not in the main chain of the Andamans but in the small islands to the east of South Andaman (north east of Port Blair) known as Tho Arc
history
Pages
114
Published in
India
SARF Document ID
sarf.120250
Segment Pages Author Actions
On the Flora of Narcondam and Barren Island.—By D. Prain
39-86 The Natural History Secretary view
Materials for a Flora of the Malayan Peninsula.—By George King M. B. LL. D. F.R.S C.I.E. Supurintendent of the Royal Botanic Garden Calcutta
87-137 The Natural History Secretary view
On Some Aretoly-Recorded Corals from the Indian Seas by A. Alcock M.B. C.M.Z.S. Officiating Superintendent of the Indian Museum
138-149 The Natural History Secretary view
Backmatter
i-iii The Natural History Secretary view

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