﻿INDEX TO THE PROCEEDINGS. 



Diprion pennatus, 62. 



rectangularis, 63. 



Distribution of the flint-drift of the 

 South-east of England, Sir R. I. 

 Murchison on the, 349 ; in Hamp- 

 shire and Sussex, 351. 



Donations to the Society from Feb. 15, 

 1850, to Feb. 21, 1851, viii; from 

 July 1, 1850, to Oct. 31, 1850, 85; 

 from Nov. 1, 1850, to Dec. 31, 1850, 

 137; from Jan. 1, 1851, to March 

 31, 1851, 253; from April 1, 1851, 

 to June 30, 1851,345. 



D'Orbigny, M. A., on the doctrine of 

 successive development, noticed, 

 xxxvi. 



Dover, the flint-drift at, 384. 



Drift at Barcombe, Mr. Austen on the, 

 288; Sir R. I. Murchison on the, 

 355 ; at Brighton, Mr. Prestwich on 



the, 277 ; , Mr. R. A. C. Austen 



on the, 126 ; , Sir R. I. Murchi- 

 son on the, 365 ; at Dover, Sir R. I. 

 Murchison on the, 384 ; at Folke- 

 stone, Mr. Mackie on the, 261 ; , 



Sir R. I. Murchison on the, 385 ; at 

 Linksfield, Captain Brickenden on 

 the, 289 ; at Sangatte Cliff, Mr. Prest- 

 wich on the, 274 ; , Sir R. I. Mur- 

 chison on the, 388; at Vichy, Sir 

 R. I. Murchison on the, 77 ; Northern, 

 Mr. Trimmer on the, 19 ; of Canada, 

 Dr. Bigsby on the, 215 ; of Cheshire, 

 Mr. Trimmer on the, 201 ; of Guild- 

 ford Valley, Mr. Austen on the, 278 ; 

 of Norfolk, Mr. Trimmer on the, 19 ; 

 of the North Downs, 373 ; on the 

 Southern Slope of the South Downs, 

 362; on the Weald clay, 380. See 

 also Boulder-clay.Erratics, Flint-drift, 

 Gravel-beds, &c. 



Drift phenomena, generalization of the 



British and Foreign, 390; of 



the Wealden, 387. 



Drummuck shales, fossils of the, 172. 



Dubois de Montpereux, M. F., notice 

 of, xxvii. 



Dumfriesshire, Mr. Harkness on the 



Graptolites of, 58 ; on the Silurian 



Rocks of, 46. 

 , Sir R. I. Murchison on the red 



sandstone of, 163; on the Silurian 



rocks of, 159. 

 Dunker, Dr., on the pulmoniferse of the 



Wealden, noticed, lviii, lxvi; on the 



Wealden of Germany, noticed, xlii. 

 Earthquake at Brussa, 19. 

 Egypt, M. Delesse on the rose-coloured 



syenite of, 9. 

 Elephant-bed of Brighton, Mr. Austen 



on the, 126 ; Mr. Prestwich on the. 



276; Sir R. I. Murchison on the, 

 365. 



Elevation and depression of the land in 

 the S.E. of England, Mr. Austen on 

 the, 136. 



Elgin, Captain L. Brickenden on the 



boulder-clay at, 289. 

 England, South-east of, Mr. Trimmer 



on pleistocene changes in the, 20. 

 , , Sir R. I. Murchison on the 



drift of, 349. 

 , South of, Mr. Austen on pleisto- 

 cene changes in the, 118. 

 Eocene mammalia, noticed, lxix. 

 - — ■ rocks of the Punjaub, Major Vicary 



on the, 45. 

 Epiolitic rocks of the Venetian Alps, 



Prof. Catullo on the, 66. 



, lower, 69. 



, upper, 71. 



Equiseta, fossil, the Duke of Argyll on, 



97. 



Equisetum Campbellii, 103. 

 laterale, 189. 



Erratics, lower and upper, Mr. Trimmer 

 on the, 201 ; of Canada, Dr. Bigsby 

 on the, 215 ; of Cheshire, Mr. Trim- 

 mer on the, 201 ; of Norfolk, Mr. 

 Trimmer on the, 19. See also Drift, 

 Boulder-clay, Till, &c. 



Erzeroom, coal-mines near, 65. 



Estuary beds of Brora, Prof. E. Forbes 

 on the, 107. 



of Skye, Prof. E. Forbes on 



the oolitic, 104. 



European fauna and flora, the existing, 

 noticed, lxxiv. 



Faluns of Touraine, the mammalia of 

 the, noticed, lxix. 



Fauna and flora of Europe, the age of 

 the existing, noticed, lxxiv. 



, the Silurian, noticed, lii. 



, the South American tertiary, 



noticed, lxxii. 



, the Sub-Himalayan miocene, no- 

 ticed, lxxii. 



Favre, M. on the anthracite beds of 

 Petit-Cceur, noticed, xliv. 



Ferns of the coal-formation, noticed, 

 xliii. 



Filicites ? Hebridicus, 103. 

 Fish, cestraciont, noticed, lii. 



, fossil, from the Deccan, India, 



272. 



, , of the coal-formation, no- 

 ticed, lv. 



, , of the Silurian age, Mr. 



Salter on the, 263 ; noticed, lii. 

 Flint-drift, its extension along the South 



Downs westward, 370. 

 of Hampshire and Sussex, 351. 



