INDEX TO THE PROCEEDINGS. 



coal plants, 210. Permian plants of 

 Russia, 212. Fossil plants of Aus- 

 tralia, 212. M. von Buch's memoir 

 on the Cystidea, 213. M. Agassiz's 

 work on the identification of tertiary 

 shells, 214. M. Burmeister's work 

 on Trilobites, 215. M, Agassiz on 

 the characters of fishes of the Old red 

 sandstone, 216. Prof. Owen's work 

 on British fossil Mammalia and Birds, 

 216. Capt. Cautley and Dr. Falco- 

 ner's work on the Sewalik fossils, 

 219. Conclusion, 220. 



Hunt, Mr., on the geology of St. Mary's, 

 one of the Azores, 39. 



Huyton, new red sandstone and coal- 

 measures near, 25. 



Ice, on the packing of, in the St. Law- 

 rence, 422. 



Icebergs, their agency in distributing 

 the northern drift, 369. 



Ichnolites in the coal formation of 

 Nova Scotia, 132. 



Igneous rocks of Lycia, 10. 



of the Azores, 39. 



of North Wales, 303. 



Iguanodons, Dr. Mantell on the bones 

 of, found at Brook Point and Sando^sm 

 Bay, 91. 



Illinois coal-field, notice of, 434. 



Indian geology, notice concerning the 

 Beloochistan hills, 260. 



Indus, supposed subsidence of land at 

 the mouth of, 103. 



Infusorial dust falHng on vessels in the 

 Atlantic, 26. 



Iowa, mines of, 443. 



Ipswich Cj-ag, on a whale's ear-bone 

 there, 32. 



Isle of Man. -S^-e Man, Isle of. 



Isle of Wight. See Wight, Isle of. 



' Jackstones,' on the strata so called, at 

 Merthyr Tydvil, 131. 



Kentish Rag, fossil fruits from, 52. 



Lancashire, Mr. Binney on the new red 

 sandstone of, 12. 



Professor Sedgwick on the classi- 

 fication of the fossiliferous slates of, 

 106. 



general description of the coal- 

 field of, 13. 



Landslips in the modem deposits of the 

 St. Lawrence, 429. 



Lava current (newest) of Auvergne, 

 Mr. Lyell on its age, 75. 



Lias, Mr. Strickland on two species of 

 microscopic shells found in, 30. 



Library Committee, Report, 1846, iii. 



Lingula bed of Tremadoc, 70. 



Littrv coal-field, notice of, by Mr. Austen, 

 2.' 



Logan, Mr., on the packing of ice in 

 the river St. Lawrence, the landslips 

 in its valley, and marine shells there 

 and in the mountain of Montreal, 422. 



Lonsdale, Mr., award of the Wollaston 

 Medal to, 141. 



Lower greensand. See Greensand. 



Lundy Island, Rev. D. Williams's re- 

 marks on the granite of, 68. 



Lycia, Prof. E. Forbes and Lieut. Spratt 

 on the geology of, 8. 



Lyell, Mr., on the age of the several 

 lava currents of Auvergne, 75. 



on the coal-fields of Alabama, 278. 



on the newer deposits in the 



southern states of North America,405. 



on the footmarks in the Penusyl- 



vanian coal-measures, 417. 

 Maidstone, fossil fi-uit from the Kentish 



Rag near, 52. 

 Man, Isle of, Mr. Gumming on the geo- 

 logy of, 317. 

 list of tertiarv fossils of, by Prof. 



Forbes, 346. 

 Manchester, section of coal-measures 



and new red sandstone in, 19. 

 Mantell, Dr., on the footprints on the 



new red sandstone collected by Dr. 



J. Deane, 38. 



on some fossil fruits from the 



chalk formation of the south-east of 

 England, 51. 



on the Wealden strata of the Isle 



of Wight, 91. 

 on supposed fossil birds in the 



Wealden, 104. 

 Marine shells in the mountain of Mon- 

 treal, 461. 

 Massachussetts, U.S., footmarks from 



the new red sandstone of, 38. 

 Merthyr Tydvil, on the strata called 



' Jackstones' at, 131. 

 Microscopic shells found in the lias, 30, 

 Mines of Iowa and Wisconsin, U.S. ,443. 

 Modern deposits of the St. Lawrence, 



on landslips in, 429. 

 Montreal, boulders near, 426 ; marine 



shells in the mountain of, 431. 

 Morris, Mr., on fossils from the Falkland 



Islands, 274. 

 on the subdivision of the genus 



Terebratula, 382. 

 and Mr.Prestwich on the Wealden 



strata in the Tunbridge Wells Rail- 

 way, 397. 

 Murchison, Sir R. I., on the superficial 



detritus of Sweden, &c., 349. 



notice of his work on Russia, 154. 



Museum Committee, Report, 1846, iii. 

 Nelson, Capt., notice of an earthquake 



in Cutch, 103. 



