INDEX TO THE PEOCEEDINGS. 



Plant-growth in PorlockBay, submerg- 

 ed surface of, 5, 



Plants in the coals of the South Jog- 

 gins, genera of, 126 ; rate of growth 

 of Carboniferous, 141. 



Platysomus and allied genera, Dr. J. 

 Young on the affinities of, 301 ; 

 diagrammatic restoi'ation of the 

 head of, 304. 



Maty S0771US par vulm, 303. 



Pleurotoma Barretti, 290. 



consors, 289. 



• Jamaicense, 290. 



venustum, 289. 



Plicatula acuminata, 80. 



■ intusstriata, 86. 



Plumstead Common and Abbey "Wood, 

 section at, 435. 



Polder-mud of Belgium, 251. 



Porcupine Mountains, Michigan, 453. 



Porlock Bay, Mr. E. A. C. Godwin- 

 Austen on the submerged forest- 

 beds of, 1. 



Post-glacial period in Caithness, 276. 



Priest's Leap, section from Eeenydo- 

 negan Lough across Coomhola 

 Mountain to, 341. 



Primordial fossils in the neighbour- 

 hood of Tyddyngwladis silver-lead 

 mine, Mr. J. Plant on, 305. 



Productus Cora, 43. 



■ Humboldtii, 43. 



• IcBvis, 44. 



longispinus ?, 43. 



• scabriculus, 43. 



• semireticulatus, 36, 43. 



, sp., 44. 



■ spimdosus ?, 44. 



striatus ?, 44. 



" Proper wall" of Eozoon Canadense, 

 191. 



Psaronius, sp., 159. 



Pychnophyllum in the coal-forma- 

 tions of the South Joggins, 139. 



Pycnodus, diagrammatic restoration 

 of the head of, 304. 



Pyle, South "Wales, Ehcetic beds near, 



Quebrada of Chancama, Ecuador, 569. 



Queenstown, 335. 



'Ranella crassa, 288. 



Range of Bos "tJrus in space and time, 



397. 

 Eanina from the Tertiary strata of 



Trinidad, Mr. H. Woodward on a 



new species of, 591. 

 JRanina p)orifera, 591. 

 EappareeCove near Ilfracombe, sketch 



of a small anticlinal ridge in, 356. 

 Eeading and Woolwich beds, 409. 



Eed Crag, Mr. S. V. Wood on the 

 structure of the, 538. 



Eeedy Creek, IsTew South Wales, oil- 

 bearing rocks of, 444. 



Eelations of the divisions of the 

 "Lower London Tertiaries," 418. 



Eeshpur, Kashmere, section along a 

 spur from Wasterwan between 

 Bar as and, 31. 



Eeenydonegan Lough across Coom- 

 hola Mountain to Priest's Leap, 

 section from, 341. 



Bhabdocarpus insignis, 150. 



, sp., 150. 



Ehcetic beds in South Wales, Mr. E. 

 B. Tawney on the western limit of 

 the, 69 ; near Wells, Somerset, Eev. 

 P. B. Brodie on a section of Lower 

 Lias and, 93. 



Ehizodopsis, 596 ; sketches of a scale 

 of, 597. 



Ehizodus, 599 ; sketch of a tooth and 

 a scale of, 597; Dr. J. Young on 

 the scales of, 317. 



Rhomboptychius, 604 ; sketches of a 

 tooth and a scale of, 597. 



B.Jiync'honella Barumensis, 42. 



Kaskmeriensis, 42. 



Kafoncnsis, 37. 



pleurodon, var. Davreuxiana, SO. 



, sp., 38. 



Eochester and Grravesend, section be- 

 tween, 434. 



Eochester (Upnor), section at 434. 



Eocks, Lvnton, section across the val- 

 ley of, 351. 



Eowney, Prof. T. H., and Prof. W. 

 King, on the so-called Eozoonal 

 rock, 185. 



Eupellien clay of Schelle, 234. 



Sables de la Campine, 250. 



Salter, J. W., Esq., on faults in the 

 Drift-gravel at Hitchin, Herts, 565 ; 

 on two species of Triiobites from 

 the Lower Silurian rocks of the 

 Lake-country, 486. 



San Domingo, Upper Miocene deposits 

 of, 574. 



San Fernando, Trinidad, section at, 

 571. 



Sandgate beds and Kentish Eag, Mr. 

 T. M'Kenny Hughes on the junc- 

 tion of the, 402. 



Sangatte beach, Mr. E. A. C. Godwin- 

 Austen on the, 253. 



Santorino, documents relating to the 

 recent volcanic disturbances in the 

 neighbourhood of, 318. 



Sarcode-chambers of Eozoon Cana- 

 dense, 209. 



