Vol. XXII, 1889. 
Part I. — 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 Sivvalik and Narbada Chelonia. 
Pari 2. — Note on Indian Steatite. Distorted pebbles in the Siwalik conglomerate. 'The 
Carboniferous Glacial Period.' Notes on Dr. W. Waagen's ' Carboniferous Glacial 
Period.' On the oiUfields of Twingoung and Berne, Burma. The gypsum of the Nehal 
Nadi, Kumaun. On some of the materials for pottery obtainable in the neighbourhood of 
Jabalpur 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 NepdI. 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 Rij- 
mahdl 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 
Pectoral 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, Balu- 
chistan. 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. Biuce 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 
governing 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 platesj. 
Vol. XXIV, 1891. 
Part I. — 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 Rajpu- 
tana, and of the Saline efflorescence called ' Reh ' from Aligarh in the North- Western 
Provinces. Analysis of Dolomite from the Salt-range, Punjab. 
Part 3. — Preliminary Report on the Oil locality near Moghal Kot, in the Sherani country, 
Suleiman Hills. On Mineral Oil from the Suleiman Hills, Note on the Geology gf 
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