INDEX TO THE PROCEEDINGS. 
Leptzna demissa, 172. 
depressa, 172. 
Lizard, Rev. C. A. Johns on the land- 
slip at the, 193. 
Logan, Mr., on coal in the islands near 
the Maiay peninsula, 1. 
Lycett, Mr., on the great oolite in the 
neighbourhood of Minchinhampton, 
181; notice of, xxvi. 
Lyell, Mr., on the age and position of 
the so-called nummulite lmestone 
of Alabama, 10. 
——, Principles of Geology noticed, 
xi. 
——, Lecture on Auvergne noticed, cx. 
, on footprints of animals in the 
older rocks, cxii. 
M‘Coy, Mr., note on fossils from Skid- 
daw, 223. 
, on Australian fossils, cviii. 
Macintosh, Col., letter on the temple 
of Serapis, 191. 
Malay peninsula, Mr. Logan on coal 
near, 1. 
Mallet, Mr., on transport of erratic 
boulders, lxxiii. 
, on the rocks of Wicklow, lxxiv. 
Mammalia, fossil, from Hordle, Hamp- 
shire, Prof. Owen on, 17. 
Mammoth tusk off the Texel, 16. 
Mantell, Dr., on the fossil remains of 
birds collected in New Zealand, 225. 
, additional remarks on the geo- 
logical position of the deposits in New 
Zealand containing bones of birds,238. 
, Wonders of Geology noticed, 
Ixxxi. 
Marcon, M., on the Jura, xcix. 
Megaceros hibernicus from the pleisto- 
cene of Essex, 42. 
Meyer, H. v., paleontological disco- 
veries of, cvi. 
Middlewich, salt-springs at, 274. 
Miller, Mr. Hugh, and Sir P. Egerton 
on Pterichthys, 303. 
Milne, Mr. David, on the parallel roads 
of Glenroy, cxiii. 
Minchinhampton, Mr. Lycett on the 
great oolite of the neighbourhood of, 
181. 
Mollusca, fossil, of the United States, 
report on, by Mr. Sharpe, 145, xxxvi, 
liv; notice of M. de Verneuil on, cii; 
table of those common to the United 
States and Europe, 159; list of pub- 
lished species, 162—171. 
Morris, Mr. J., description of a new 
species of Nautilus from the Isle of 
Wight, 193. 
Murchison, Sir R. I., on the paleozoic 
rocks of Bohemia, cix. 
Nautilus Saxbii, Mr. Morris’s descrip- 
tion of, 193. 
Nesbit, Mr., on the presence of phos- 
Beek acid in the chalk formation, 
2. 
Newbold, Lieut., on the geology of 
Egypt, 324; on the silicified wood of 
the Egyptian desert, 349. 
New South Wales, Mr. Clarke on the 
carboniferous system of, 60; on Tri- 
lobites in, 63. 
New Zealand, Dr. Mantell on fossil re- 
mains of birds from, 225. 
Nicol, Mr. J., on the Silurian rocks in 
the valley of the Tweed, 195; notice 
of, XXvi. 
Nile, nature of its mud, 341; thickness 
of its deposit, 343; Delta of Nile,345. 
Northwich, salt-springs at, 277. 
Nova Scotia, Mr. Dawson on the new 
red sandstone of, 50. 
Nummulite limestone of Alabama, Mr. 
Lyell on, 10. 
Nummulites Mantelli, note on, by Prof. 
Forbes, 11; by M. D’Orbigny, 12. 
Oberstein, Mr. Hamilton on the agate 
quarries of, 209. 
Ocean, Sir James Ross on its tempera- 
ture, Ixxxvii. 
, experiments on its depth, xcvi. 
Old red sandstone of North America, 
155. 
of the South of Scotland, 199. 
Oldham, Prof., on a variety of andalu- 
site, Ixxii; on recent changes in the 
British islands, xxiv. 
Oolite of Minchinhampton, Mr. Lycett 
on the mineral characters and con- 
chology of, 181; list of its fossils, 
188. 
of Ridgway, Mr. Weston on, 245. 
Orbitolites, characters of the genus, 11. 
Ormerod, Mr., on the geological fea- 
tures of the salt-field of mg 262. 
Orthis carinata, 173. 
- parva, 174. 
Owen, Prof., on fossil mammalia from 
the eocene of Hordle, Hants, 17; 
notice of, xxxiii; description of teeth 
and jaws of two extinct anthraco- 
therioid quadrupeds, 103, xxxiii; on 
the classification of the Pachyderms, 
131. 
Pachyderms, Prof. Qwen on extinct, 17, 
103; on the classification of, 131. 
Paleochorda, new genus described, 224. 
major, 225. 
minor, 225. 
Palzontographical 
Ixxix. 
Paleotherium, teeth of, 18, 20. 
Society noticed, 
