Vol. XXII, 1889. 



Part t. — Annual report for 1888. The Dharwar System, the chief auriferous rock-series in 

 South India. (Second notice.) On the Wajra Karur diamonds, and on M. Chaper's 

 alleged discovery of diamonds in pegmatite near that place. On the generic position of 

 the so-called Plesiosaurus Indicus. On flexible sandstone or Itacolumite, with special 

 reference to its nature and mode of occurrence in India, and the cause of its flexibility. 

 On Siwalik and Narbada Chelonia. 



Part 2. — Note on Indian Steatite. Distorted pebbles in the Siwalik conglomerate. ' The Car. 

 boniferous Glacial Period. 1 Notes on Dr. W. Waagen's 'Carboniferous Glacial Period. 1 

 On the oil-6elds of Twingoung and Berne, Burma. The gypsum of the Nehal Nadi, 

 Kumaun. On some of the materials for pottery obtainable in the neighbourhood of Jabal- 

 pur and of Umaria. 



Part 3. — Abstract report on the coal outcrops in the Sharigh Valley, Baluchistan. On the 

 discovery of Trilobites by Dr. H. Warth in the Neobolus beds of the Salt-range. Geolo- 

 gical notes. On the Cherra Poonjee coal-field, in the Khasia Hills. On a Cobaltiferous 

 Matt from Nepal. The President of the Geological Society of London on the Interna, 

 tional Geological Congress of 1888. Tin-mining in Mergui district. 



Part 4. — On the land-tortoises of the Siwaliks. On the pelvis of a ruminant from the 

 Siwaliks. Recent assays from the Sambhar Salt-Lake in Rajputana. The Manganiferous 

 Iron and Manganese Ores of Jabalpur. On some Palagonite-bearing raps of the Rajmahal 

 hills and Deccan. On tin-smelting in the Malay Peninsula. Provisional index of the local 

 distribution of important minerals, miscellaneous minerals, gemstones, and quarry stones 

 in the Indian Empire. Part I. 



Vol. XXIII, 1890. 



Part I. — Annual report for 1889. On the Lakadong coal-fields, Jaintia Hills. On the Pecto- 

 ral and pelvic girdles and skull of the Indian Dicynodonts. On certain vertebrate 

 remains from the Nagpur district (with description of a fish-skull). Crystalline and 

 metamorphic rocks of the Lower Himalayas, Garhwal and Kumaun, Section IV. On the 

 bivalves of the Olive-group, Salt-range. On the mud-banks of the Travancore coast. 



Part 2. — On the most favourable sites for Petroleum explorations in the Harnai district, Baluch- 

 istan. The Sapphire Mines of Kashmir. The supposed Matrix of the Diamond at 

 Wajra Karur, Madras. The Sonapet Gold-field. Field Notes from the Shan Hills (Upper 

 Burma). A description of some new species of Syringosphaeridae, with remarks upon 

 their structures, &c. 



Part 3. — On the Geology and Economic Resources of the Country adjoining the Sind-Pishin 

 Railway between Sharigh and Spintangi, and of the country between it and Khattan 

 (with a map). Report of a Journey through India in the winter of 1888-89, by Dr. 

 Johannes Walther, translated from the German, by R. Bruce Foote. On the Coal-fields 

 of Lairungao, Maosandram, and Mao-be-lar-kar, in the Khasi Hills (with 3 plans). 

 Further Note on Indian Steatite. Provisional Index of the Local Distribution of Important 

 Minerals, Miscellaneous Minerals, Gem Stones, and Quarry Stones in the Indian Empire 

 (continued from p. 286, Vol. XXII). 



Part 4. — Geological sketch of Naini Tal ; with some remarks on the natural conditions govern- 

 ing mountain slopes (with a map and plate). Notes on some Fossil Indian Bird Bones. 

 The Darjiling Coal between the Lisu and the Ramthi rivers, explored during season 

 1890-91 (with a map). The Basic Eruptive Rocks of the Kadapah Area. The Deep 

 Boring at Lucknow. Preliminary Note on the Coal Seam of the Dore Ravine, Hazara 

 (with two plates). 



Vol. XXIV, 1891. 



Part 1. — Annual report for 1890. On the Geology of the Salt-range of the Punjab, with a 

 re-considered theory of the Origin and Age of the Salt Marl (with five plates). On Veins 

 of Graphite in decomposed Gneiss (Laterite) in Ceylon. Extracts from the Journal of a 

 trip to the Glaciers of the Kabru, Pandim, &c. The Salts of the Sambhar Lake in Raj- 

 putana, and ot the Saline efflorescence called 'Reh' from Aligarh in the North-Western 

 Provinces. Analysis of Dolomite from the Salt-range, Punjab. 



Part 2. — Preliminary Report on the Oil locality near Moghal Kot, in the Sherani country, 

 Soleiman Hills. On Mineral Oil from the Suleiman Hills. Note on the Geology of the 



