616 



GENERAL INBEX. 



Highlands, Messrs. B. N. Peach and 



J. Home on the, 227-241. 

 Olenelhos Lapworthi, 236-239. 

 Olivine in plutonic rocks of Garabal 



Hill, etc., 108-109. 

 Olivine-augite rocks, Froc. 131. 

 Olivine-basalts from the Garlton 



Hills, Froc. 11 1 ; of the puy- 



series, Froc. 1 31-132; of Devon, 



altered, 502-505. 

 Olton's Cave marl, 173. 

 Orange Grove (S. Africa), section, 421. 

 Orbitoides-beds of Trinidad, 523 et 



seqq. 

 Orbulina, 535. 



Orcadie, Lake, Froc. 94, 100. 

 Ores ton Cave, ossiferous breccia in, 



319. 

 Organic remains found in Barbadian 



rocks, 193-201. 

 Origin of foreign boulders in raised 



beaches, 295-298 ; of boulders at 



Selsey, 351 ; of the rubble-drift, 



322-328 ; of gravels of the Thames 



Valley, 360 ; of gold, discussed, 



436-437. 

 Oropuch Lagoon, section, 522. 

 Orthoclase, in plutonic rocks of 



Garabal Hill, etc., 110. 

 Os pubis of Folacanthus Foxii, Prof. 



H. G. Seeley on the, 81-85. 

 Ossiferous caves in Gower, 289-290 ; 



in Devon, 319. 

 Ostracoda in Taplow Chalk, 514. 

 Oswestry, high-level Glacial gravels 



near, 86-93. 

 Overlap of Bagshot Beds, 52, 55-56. 



Pagham, section near, 271. 



Falcsaspis, Prof. E.W. Claypole on the 

 structure of, 542-561. 



Palffiopneustes, 163 et seqq. 



Palseosam'us, Froc. 189. 



Palagonite-tuff, Froc. 133. 



Pale Banded Slates, 254-256. 



Pale Slates, 244 et seqq., 249 ; junc- 

 tion with Bronllwyd Grit, 247. 



Pandy, 256. 



Pap Craig, Froc. 78. 



Parallel Roads of Glen Roy, 9 et 

 seqq. ; height and horizontality of, 

 17-19. 



Pare Bryniau, 255. 



Pare Bwlch, 251. 



Pare Drysgol, 250. 



Pavotubigera flabellaia, 161. 



Peach, Mr. B. N., award of Murchi- 

 son Centenary Fund to, Froc. 37; 

 and Mr. J. Home, on the Olenellus- 

 zone in the North- west Highlands 

 of Scotland, 227-240. 



Peat- and forest-beds, submerged, 



probable cause of, 96-103. 

 Pegane Bay, 134. 

 Pelvis of Folacanthus, Mr. R. Lydek- 



ker on part of the, 148-149. 

 Pembrokeshire, raised beaches and 



'head' in, 293. 

 Pen Careg-y-fran, 246. 

 Pen Isa'r Waen, 258. 

 Penrhyn Quarry slates, 248. 

 Pentland Hills, Froc. 70, 72 et seqq. 

 Pentuan Yalley, 317. 

 Penzance, raised beach and ' head ' 



near, 280. 

 Peridotites, age of, 117. 

 Periods of volcanic action in the 



British Isles, Froc. 169. 

 Permian breccia, 62-63, 75-77. 

 Permian sandstones in South Devon, 



72-75. 

 Permian volcanic rocks, Froc. 147- 



162. 

 Petroclistow, rubble-drift at, 318. 

 Petroleum at Whitehouse, Norton, 



489 ; in Upper Egypt, 580. 

 Phenocrysts, olivine, in Devon ba- 

 salts, 503-504 ; plagioclase, ibid., 



504. 

 Philippine Estate (Trinidad), rock 



from, 219. 

 Pholas crispata at Selsey, 354. 

 Physical changes in the Caribbean 



region, 221-225, 536-538. 

 Pico Teneriffe (Barbados), marl from, 



173. 

 Picrite of the puy-series, Froc. 128- 



129, 131 ; of Port du Moulin, 141- 



142 ; dioritic, of White Hause and 



Great Cockup, 508-513. 

 ' Pipe Rock,' 228 et seqq. 

 Pipeclay in Bagshot Beds, 52-53. 

 Pistachio-breccia, 579. 

 Pitandrew limburgite, Froc. 131. 

 Plagioclase, in plutonic rocks of 



Garabal Hill, etc., 110; plagioclase 



phenocrysts in Devon basalts, 504. 

 Plants (Pleistocene) from West Wit- 

 tering, 358. 

 Plant-remains in Endsleigh Street, 



458 ; in Gordon Street, 463. 

 Plateau-eruptions, Froc. 105-125. 

 Plateau-gravels, 41. 

 Plates of Falcsaspis, lateral, 551- 



553. 

 Pleistocene deposits of the Sussex 



Coast, Mr. Clement Reid on the, 



344-364. 

 Pleurostomella, 197. 

 Plumtree Gully rock, 216-217. 

 Plutonic rocks of Garabal Hill and 



MeaU Breac, Messrs. J. R. Dakyns 



