INDEX TO THE PROCEEDINGS. 



riod, 251 ; Mr. T. F. Jainieson on 

 the, 235 ; theories of the, 237. 



Passage-beds at Linley, Salop, 229. 



Pass of Leny, section in, 185. 



Peat of Lexden Brick-pit, Coleoptera 

 from the, 400. 



Pecten Asiaticus, 7. 



crebristria, 8. 



Flemingianus, 7. 



Peltocaris, 87, 90. 



aptychoides, 88. 



? Harknessi, 88. 



, Mr. J. W. Salter on, 87. 



(?), Track of, 93. 



Pembrokeshire and North Ireland, 

 generalized section in, 479. 



Pembrokshire, Upper Old Red Sand- 

 stone of, 476. 



Perissodactyla from Wookey Hole, 

 271. 



Permian and Carboniferous periods, 

 faunae of the, 161. 



Permian rocks of North-eastern Bo- 

 hemia, section across the, 301 ; Sir 

 R. I. Murchison on the, 297. 



Perry, Maine, Devonian Plants of, 459. 



Peterborough, fossil Wood in the Ox- 

 ford Clay near, 317. 



Petherwin and Landlake fossils, list 

 of, 483. 



Philocrinus cometa, 4. 



Phosphatic coprolites with Lingulae, 

 42. 



Phylloccenia limbata, 433. 



sculpta, var. tegula, 432. 



Phyllograptus, 137. 



Phyllopoda, geological distribution of, 

 90. 



Phyllopora? cribellum, 6. 



? Haimeana, 6. 



Physical changes in the Valley of the 

 Ganges, 329. 



Pilton group, sketches of Shells from 

 the, 495. 



Placocyathus Barretti, 437, 513. 



, var. 1, 428. 



, var. 2, 428. 



Placotrochus alveolus, 438, 513. 



Lonsdalei, 428. 



Plan of Dalton Road Pit, near Ulver- 

 ston, 28 ; the hyaena-den at Wookey 

 Hole, 261. 



Plantce incertee sedis, 467. 



Plants common to the Carboniferous 

 and Permian periods, 162 ; from the 

 Oolites of Scarborough, Mr. J. Lec- 

 kenby on, 519 ; in the Lindale Cote 

 deposit, near Ulverston, 29 ; of 

 Maine, Gaspe, and New York, Dr. 

 J. W. Dawson on the Devonian, 

 458. 



Poaka Beck, list of Diatomacese in the, 

 30 ; swallow-hole of the, 24. 



Polypora fastuosa, 5. 



Porites, 442. 



Collegniana, 437. 



Porphyry-vein in granite, Ben Nevis, 

 sketch of, 205. 



Porter, Dr. H., on the occurrence of 

 large quantities of fossil Wood in the 

 Oxford Clay, near Peterborough, 

 317. 



Prestwich, J., Esq., on the section at 

 Moulin Quignon, Abbeville, and on 

 the peculiar character of some of 

 the flint implements recently dis- 

 covered there, 497. 



Primordial Zone, fossils of the, 43. 



Proboscidea from Wookey Hole, 272. 



Productus Cora, 174. 



semireticulatus, 174. 



Psilophyton, 461. 



princeps, 465. 



Quartzite of the southern Grampians. 

 199. 



Ragstone, fossils of the Upper, 313. 



Ramsay, Prof. A. C. (President), ad- 

 dress on presenting the Wollaston- 

 medal to Mr. Leonard Horner for 

 Prof. Gustav Bischof, xxvii ; and to 

 Sir R. I. Murchison on handing to 

 him the residue of the Wollaston Do- 

 nation-fund for Prof. Senft, xxviii ; 

 anniversary address, February 20, 

 1863, xxix ; Notices of deceased Fel- 

 lows: — Mr. R. Trench, xxix; Prof. 

 Dr. C. C. von Leonhard, xxix ; Mr. 

 R. Bald, xxx ; the Rev. Prof. J. 

 Cumming, xxxi; Mr. J. C. Nesbit, 

 raxi ; Prof. Dr. H. G. Bronn, xxxii ; 

 M. Bertrand de Doue, xxxiii ; Dr. 

 T, S. Traill, xxxiv ; Marquis of 

 Breadalbane, xxxiv; breaks in the 

 succession of the British Palaeozoic 

 strata, xxxvi ; Laurentian Gneiss, 

 xxxvi ; Lingula -flags, xxxvii ; Tre- 

 madoc Slate, xxxviii ; Llandeilo and 

 Caradoc beds, xxxviii; Llandovery 

 or Pentamerus-beds, xxxix; Table 

 of Lower Llandovery fossils, xl ; 

 Wenlock Shale, xli; summary of 

 breaks in the Silurian series, xlii : 

 Old Red Sandstone and Devonian 

 rocks, xlii ; of Shropshire, xliii ; of 

 the south-west of Ireland, xlv; of 

 Scotland, xlv ; Devonian rocks, xlvi ; 

 division of the, xlvi ; Carboniferous 

 series, xlvii ; Permian strata, xlviii ; 

 enumeration of breaks in the Palae- 

 ozoic strata, xlix; coincidence of 

 breaks with changes in the fossils, 

 xlix; not necessarily accompanied 



