INDEX TO THE PROCEEDINGS. 



Pterygotus 2)roblematicus, Mr. Salter 



on the, 386. 

 Quader formation of Germany, Dr. 



Geinitz on the, 54. 

 Quartz rock, Mr. Sharpe on, 120. 

 Ramsay, Prof., on the superficial accu- 

 mulations and surface-markings of 



North Wales, 371 ; noticed, xlii. 

 Ravenstonedale and Ribblesdale, lower 



palaeozoic rocks of, 35. 

 • section. Prof. Sedgwick on the, 



41. 

 Rawlinson, Mr.R., on foot-tracks found 



in the new red sandstone at Lymm, 



Cheshire, 426. 

 Report of the Council, i. 

 of the Museum and Library Com- 

 mittee, iii. 

 Renaix, middle eocene fossils at, 357. 

 Reptilian foot-tracks in the Old Red, 



97 ; noticed, Ixx. 

 remains in the Old Red, 100 ; no- 

 ticed, Ixx. 

 Reversed faults at Lewisham, Rev. M. 



De la Condamine on, 193. 

 Ridgway range, Mr. Weston on the, 



110. 

 Ripple-mark in Potsdam sandstone, 



Mr. W. E. Logan on the, 212. 

 Rissoa, Prof. E. Forbes on-,323. 

 Rosa Una Maria, 267. 

 Rupelmonde clay, 298 ; relation of, to 



the upper Limburg beds, 309. 

 Russia, the drift of, noticed, xxxiv. 

 Salter, Mr., on some Graptohtes from 



the south of Scotland, 388. 

 , on the Pterygotus problematicus, 



386. 

 Sangatte Cliffs, drift of, noticed, xlvi. 

 Sandhill Lake, geology of, 402. 

 Sand-pipes, Mr. Trimmer on, 276. 

 Sanguinolaria Edvardsii, 264. 

 Santiago and Valparaiso, earthquake 



at, 1. 

 Scalaria Bowerhankii, 266. 

 Scandinavian striae and drift, noticed, 



xxix, xxxiii. 

 Schaerbeek, eocene beds at, 343. 



, , fossils of the, 344. 



Schelle and Boom clays, 299. 



Scotland, auriferous rocks of, 396. 



, indications of glaciers in the 



S. Highlands of, 27. 

 , Mr. Harkness on the Silurian 



rocks of, 393. 

 , Mr. Hopkins on the granitic drift 



of the South Highlands of, 20. 



, Mr. Sharpe on the geology of the 



South Highlands of, 126. 

 Scutellina rotunda, 342. 

 Sedgwick, Rev. Prof., on the classifica- 

 tion and nomenclature of the lower 



palaeozoic rocks of England and 

 Wales, 136; on the lower palaeozoic 

 rocks at the base of the carboni- 

 ferous chain between Ravenstone- 

 dale and Ribblesdale, 35 ; on the 

 slate rocks of Devon and Cornwall, 1. 



Sefstrom on Scandinavian striae, no- 

 ticed, xxxiii. 



Sharpe, Mr. D,, on the comparison of 

 the Devonian series of Belgium and 

 England, 425 ; on the quartz rock of 

 Macculloch's Map of Scotland, 120 ; 

 on the southern border of the High- 

 lands of Scotland, 126. 



Silurian foot-tracks, noticed, Ixxi, Ixxx. 



fossils from the Lake of the 



Woods, 405. 



rocks, metamorphosed, of the 



South Highlands, Prof. J. Nicol on 

 the, 424. 



of the South of Scotland, 



Mr. Harkness on the, 293. 



, Prof. Sedgwick on the no- 

 menclature of the, 136. 



system. Sir R. I. Murchison on 



the, 173. 



Skye, secondary beds in, noticed, 

 Ixxv. 



Slate rocks of Devon and Cornwall, 

 Prof. Sedgwick on the, 1. 



Smardale quarries, the red sandstone of, 

 43. 



Snow-line, at the present time, height - 

 of the, 76. 



Soils of Kent, Mr. Trimmer on the, 

 273. 



Sorby,Mr.,on a pseudomorphous oolitic 

 rock, 191. 



Spain, Mr. Pratt on the geology of a 

 part of, 268. 



Spatangus Omalii, 342. 



Spynie, discovery of reptilian remains 

 in sandstone at Loch, 98. 



St. Austell granite, 9. 



St. Gilles, eocene beds at, 335. 



, , fossils of the, 335. 



St. Helena, birds' bones at, 196; ex- 

 tinct land shells of, 197 ; Mr. Blofeld 

 on, 195. 



St. Joose-ten-noode, eocene fossils at, 

 343. 



Strachey, Capt., on the geology of the 

 Himalayas, noticed, Ixv. 



Striae, relative directions of, in valleys 

 and on ridges, xxxii. 



Striated rock-surfaces, noticed, xxix. 



Striating process, method of, noticed, 

 xxxvi. 



Strickland, Mr., on a protruded mass of 

 upper Ludlow rock at Hagley Park, 

 Herefordshire, 381. 



Succinea Bensoniana, 198. 



