INDEX TO THE PROCEEDINGS. 
Palapteryx, fossil bird from New Zea- 
land, 233. 
Palichthyologic notes by Sir P. G. Eger- 
ton, 302. 
Paloplotherium, teeth of, 20; skull and 
teeth, 28. 
Pamphractus, same with Pterichthys, 
308. 
Pattison, Mr., on the geology of Tinta- 
gel, 1xxvii. 
Peach, Mr., on the geology of Corn- 
wall, noticed, Ixxvii. 
Pearce, Mr. Chaning, notice of, xxi. 
Peeblesshire, Mr. Nicol on the geology 
of, 195. 
Pentamerus galeatus, 174. 
Percy, Dr., on furnace slags, cxiv. 
Phosphate of lime, Mr. Austen on its 
occurrence in the cretaceous series, 
257. 
Phosphoric acid, Mr. Nesbit on the pre- 
sence of, in the chalk formation, 262. 
Pomel, M., on the Elotherium, noticed, 
cvii. 
——,, on the fossils of the Sezanne de- 
posit, cviii. 
Porcellia ornata, 181. 
Pterichthys, Sir P. G. Egerton and Mr. 
Hugh Miller on, 303. 
, list of species, 312. 
quadratus, un. sp., 313. 
Pterodactylus, structure of the bones 
of, 3. 
Ramsay, Prof., and Mr. Aveline, sketch 
of the structure of parts of North and 
South Wales, 294. 
Red sandstone of NovaScotia, Mr. Daw- 
son on, 50. 
Report, Annual, for 1848, i-xvi. 
Report of Museum Committee, cxxi- 
xl, 
Ridgway, near Weymouth, Mr. Weston 
on the geology of, 245. 
Ross, Sir James, notice of Voyage to 
the Antarctic Regions, lxxxiii. 
Saarbriick coal-field, saurian remains in, 
#7, €Xii. 
Salt-field of Cheshire, Mr. Ormerod on, 
262. 
Salter, Mr., on Trinucleus, notice of, 
XXX. 
, on fossils from Peeblesshire, 205. 
, on Wenlock shale fossils, 299. 
Sand-drifts of Egypt, 347. 
Saurian remains in Saarbriick coal-field, 
Mr. Horner on, 17. 
Scheerer, M., on the nature of granite, 
xcix; on a new species of isomor- 
- phism, c. 
Sedgwick, Prof., on the organic remains 
found in the Skiddaw slate, with re- 
marks on the classification of the 
older rocks of Cumberland, etc., 216. 
Selwyn, Mr., and Mr. Jukes on the 
structure of the country from Cader 
Idris to Moel Siabod, 300. 
Serapis, Col. Macintosh on the temple 
of, 191. 
Sharpe, Mr. D., on Trematis, a new ge- 
nus of brachiopodous mollusca, 66 ; 
on the fossil remains of mollusca 
from the palzozoic formations of the 
United States, 145. 
Silurian rocks of the south of Scotland, 
Mr. Nicol on, 195; Mr. Salter on 
fossils from, 205. 
Skiddaw, Prof. Sedgwick on the orga- 
nic remains found in, 216. 
Smith, Mr. J. (of Jordan Hill), on 
scratched boulders, 323. 
Spirifer biforatus, 175. 
lynx, 175. 
macronotus, 176. 
—— plicatus, 177. 
Stigmaria roots attached to upright 
Lepidodendron, 46. 
Stonesfield slate, structure of bones 
from, 7. 
Strophomena, genus described, 178. 
Suffolk, Mr. Wiggins on bones found in 
the crag of, 294. 
Terebratula aspera, 180. 
unguiformis, 180. 
Thylacotherium Prevostii, structure of 
the bones of, 6. 
Trematis, a new genus of mollusca, Mr. 
D. Sharpe on, 66. 
Trematis terminalis, 68. 
cancellata, 68. 
filosa, 69. 
punctata, 69. 
Trilobites in New South Wales, Mr. 
Clarke on, 63. 
Tuomey, Mr., on the Zeuglodon, cvii. 
Tweed, Mr. Nicol on the Silurian rocks 
in the valley of the, 195. 
Ungulated animals, Prof. Owen’s clas- 
sification of, 131. 
Verneuil, M. de, parallelism of the pa- 
leozoic rocks in Europe and North 
America, Cii. 
Virlet d’Aoust, M., on normal meta- 
morphism, Ci. 
Voyages of discovery and survey no- 
ticed, Ixxxiii. 
Wales, Prof. Ramsay and Mr. Aveline 
on the structure of, 294. 
, Prof. Forbes on some fossiliferous 
localities in, 297. 
——, North, Mr. Beete Jukes and Mr. 
Selwyn, sketch of the structure of 
parts of, 300. 
