INDEX TO THE PROCEEDINGS. 



Ostrea carinata, 140. 



curvirostris, 141. 



flabellata, 140. 



frons, 140. 



gigantea. 14.*i. 



hippopodium, 141. 



laciniata, 141. 



vesicularis, 140. 



Owen, R., on Anoplotheroid qua- 

 drupeds ; noticed, lxxix. ; description 

 of a small lophiodont mammal 

 (Pliolophus vulpiceps) from the 

 London Clay, near Harwich, 54; 

 on some outline-drawings and pho- 

 tographs of the skull of Zygomaturus 

 trflobus of Macleay, from Australia, 

 541 ; note on the bones of the hind- 

 foot of the Iguanodon, discovered 

 and exhibited by S. H. Beckles, 

 F.G.S., 174 ; noticed, lxxxii. 



Oxford Clay of Gloucestershire, 124. 



Pabba, Lias fossils from, 24. 



Palaeozoic basin of the State of New 

 York, Dr. J. J. Bigsby on the, Part 

 I., 241, 335; Part II., 427; fossils 

 of Victoria, 537 ; rocks and fossils of 

 the State of New York, 241, 305, 427. 



Palcsoniscus catopterus, 165. 



super stes, 164. 



Palichthyologic Notes, No. 10, by Sir 

 P. Egerton, 164. 



Paludina achatinoides, 150. 



elongata, 239. 



? subangulata, 239. 



supexiensis ?, 239. 



?sp., 240. 



Parker, W. K., and T. R. Jones, on 

 some Pleistocene foraminifera from 

 Aberdeenshire, 521. 



Payta Bay, crabs thrown up in, 294. 



Pecten aequivalvis, 31. 



Pentacrinites basaltiformis, 13. 



Pentacrinus gracilis, 34. 



robustus, 34. 



Permian and Triassic rocks of the Old- 

 en wald and of Central England, 219. 



Pentamerus limestone of Europe, 50 ; 

 lower, 369; upper, 371. 



Phillips, J., on some comparative sec- 

 tions in the Oolitic and iron-stone 

 series of Yorkshire, 84; on the es- 

 tuary sands in the upper part of 

 Shotover Hill, 236 ; noticed, cxxxv. 



Phillips, J., on the gold-field of Bal- 

 laarat, Victoria, 538. 



Pholadomya ambigua, 29. 



Pholas Hommarei, 147. 



Photographs of the skull of Zygoma- 

 turus (Nototherium), 541. 



Pictel and Humbert on Swiss palaeon- 

 tology ; noticed, xcvii. 



Pinna folium, 30. 



Polystomella crispa, 143, 521. 



Portage rocks, 386, 438. 



Portland Oolite of Gloucestershire. 

 128 ; sands of Shotover Hill, 238. 



Portlock, Major-General (President), 

 address on presenting the Wollaston 

 Medal to Hermann von Meyer, xxi. ; 

 and to Mr. James Hall, with the 

 residue of the Wollaston Fund, xxii. ; 

 Anniversary address, February 19, 

 1858, xxi v.. Notices of deceased Fel- 

 lows : Dean Conybeare, xxiv. ; Mr. 

 Joshua Trimmer, xxxii. ; John Forbes 

 Royle, M.D., xxxvii, ; Mr. Laverack, 

 xli. ; Mr. G. H. Saunders, xli. ; Mr. 

 Floresi, xlii. ; Mr. William Bald, 

 xlii. ; Mr. Henry James Brooke, 

 xliv. ; Francis, Earl of Ellesmere, 

 xlv. ; Rear- Admiral Sir Francis Beau- 

 fort, xlvii. ; Thomas Best Jervis, liv. ; 

 George Weare Brackenridge, lx. ; 

 William Wentworth Fitzwilliam, 

 lxii. ; M. Andre Hubert Dumont, 

 lxii. ; M. P. A. Dufrenoy, lxxi. ; 

 M. Alcide D'Orbigny, lxxiii. Re- 

 view of geological progress, lxxix. ; 

 Professor Owen on Anoplotheroid 

 quadrupeds, lxxix. ; on a Lophidont 

 mammal, lxxx. ; on the bones of an 

 Iguanodon, lxxxii., lxxxii i. ; M. Ed. 

 Hebert on the mammiferous fauna 

 of the Lower Tertiaries of France, 

 lxxxiii. ; Sir Philip Egerton on fish- 

 remains from the neighbourhood of 

 Ludlow, lxxxiv. ; Professor Huxley 

 on the affinities of Cephalaspis and 

 Pteraspis, lxxxv. ; Sir Roderick Mur- 

 chison on the relative position of the 

 Ludlow strata, lxxxv. ; Sir Philip 

 Egerton and the Rev. P. B. Brodie 

 on a new species of Palaeoniscus in 

 the Upper Keuper Sandstone, at 

 Rowington, near Warwick, lxxxvi. ; 

 Dr. Falconer's description of mam- 

 malian remains discovered at Dur- 

 dlestone Bay, Purbeck, by Mr. W. R. 

 Brodie and Mr. H. Beckles, lxxxvii. ; 

 Dr. Falconer on the species of mas- 

 todon and elephant found fossil in 

 Britain, lxxxix. ; Mr. W. Bollaert on 

 the occurrence of bones of mastodon 

 in Chili, xc. ; description of the crus- 

 tacean, Tropifer laevis, by Mr. C. 

 Gould, and of the Pygocephalus Coo- 

 peri, by Professor Huxley, xci. ; de- 

 scription by Professor Huxley of a 

 new species of Plesiosaurus, xcii. ; 

 Mr. Salter on some terrestrial plants 

 from the Old Red Sandstone of Caith- 

 ness, and Mr. John Miller on the 



