INDEX TO THE PROCEEDINGS. 



Omithoidiclinites of the ^Vealden, Mr. 

 Beckles on the. 456. 



Orpington, section at, 100. 



Orton, mammaUferous gravels at, 343. 



Ossiferous sand of the Mavecce Basin, 

 272. 



Owen, Prof., description of the cranium 

 of a Labyrinthodont reptile from 

 Mangali. Central India, 473 ; on a 

 fossil imbedded in a mass of Pictou 

 coal from Xova Scotia, 207 ; on some 

 fossil reptilian and mammalian re- 

 mains from the Purbecks, 420 ; Pur- 

 beck and "Wealden Chelonia, noticed, 

 Ixi. 



Pachmurrra, coal-deposits of, 56. 



Palaeozoic system, Prof. Sedgwick on 

 the. 366. ' 



Pcdudina lenfa, 160. 



Panorpidhmi fessellatitm. 394. 



tesseUatum, var.. 395. 



Patella, fossil, from Sundridge, 155. 



Patmore Heath, section at, 92. 



Pattison, S. R., on auriferous quartz in 

 North Cornwall, 247. 



Pebble HUl, section at, So. 



Peel River, gems from, 305. 



Pegmarite of Ireland, 397. 



Pentamerus limestone, 69. 



Permian palaeontology, noticed, Ixix, 



Persian frontier, Mr. Loftus on the 

 geology of the. 464. 



Pen\-ick Bay, coast-section at, 213. 



Peterborough, Mr. Trimmer on mam- 

 maliferous gravels near, 343. 



Ptiryganeidrum Pytho, 396. 



Physical features of the Woolwich and 

 Reading series, 78. 



Physical geology of the Himalaya, 249. 



Pictou, fossil reptile in the coal of, 207 ; 

 coal-measures, 42. 



Pinner, section at, 95. 



Pipes and furrows, Mr. Prestwich on, 

 241 ; Mr. Trimmer on, 237. 4/4. 



Plants, fossil, from India, 471, 472. 

 See also FossU plants. 



Plicaiula inasquidens, 197. 



Plymouth, Mr. Homer on some igneous 

 rocks near, 309. 



Poaciies, 36. 



Polished rock-surfaces on the Bavarian 

 Alps, 358. 



Poole, H., Journals of the Exploratory 

 works at the Albion coal-mines, Nova 

 Scotia, 42. 



Porphyritic rocks of Cornwall, 361. 



Port Hood, coal-seams at, 23. 



Port St. Mary, coast-section at, 213. 



Porto Santo, Sir C. Lyell on the geology 

 of, 328. 



Precious stones from Australia, 305. 



President, Anniversary Address of the, 



xxii. See also Forbes, Prof. E. 

 Prestwich, J., on some swallow-holes 

 on the chalk hills near Canterbury, 

 22'2 ; on the correlation of the lower 

 tertiaries of England with those of 

 France and Belgium, 454 ; on the 

 distinctive physical and palasontolo- 

 gical features of the London clay and 

 the Bracklesham sands, and on the 

 independence of these two groups of 

 strata, 435 ; on the lacustrine lime- 

 stone of Rilly, noticed, Iv; on the 

 origin of the sand and gravel pipes 

 in the chalk of the London tertiary 

 district, 241 ; on the structure of the 

 strata between the London clay and 

 the chalk, part ii., 75 ; on the thick- 

 ness of the London clay, on the re- 

 lative position of the fossiliferous beds 

 of Sheppey, &c., and on the proba- 

 ble occurrence of the Bagshot sands 

 in Sheppey, 401 ; on the Reading 

 and Woolwich series, noticed, brii. 

 Primrose Hill, fossils from, 415. 

 Proceedings at a Special General Meet- 

 ing, 397 ; at the Annual General 

 Meeting, xix. 

 Productus giganfeus ?, 206. 



horridus, 206. 



longispinus, 206. 



Psammobia ? Condamini, 158. 

 Pudding-stone of Hertfordshire, Mr. 



Prestwich on the, 125. 

 Purbeck, insect-remains from, 382, 480; 

 Prof. Owen on reptilian and mamma- 

 lian remains from, 420. 

 Quartz, auriferous, in Australia. 301 ; in 

 California, 314, 316; in Cornwall, 

 247. 

 Quicksilver in California, 320. 

 Radiolite, Mr. Woodward on the, 398. 

 Rainv Lake, Dr. Bigsbv on the geology 



of,' 215. 

 Ramsay, A. C, on the geology of the 

 gold-bearing district of Merioneth- 

 shire, North Wales, 242 ; on the 

 palaeozoic rocks, noticed, xl. 

 Range of the Woolwich and Reading 



series, 78. 

 Raphidium Brephos, 395. 

 Reading and Woolwich series, 75. 



, fossil plants from, 163; sections 



near, 87, 88. 

 Relations of the London and Hamp- 

 shire tertiary systems, 137. 

 Reptile, fossU, from Central India, 473 ; 

 in the coal of Pictou, 207 ; in the 

 coal of the Joggins, 22. 

 ReptiUan remains from the Purbecks, 

 420. 



