582 



Index. 



OHI 



J. de C. Sowerby, 478 ; J. Yates, 480 ; 



Sir R. I. Murchison, 481 ; C. Babbage, 



491. 

 Ohio, Geological Survey of, 277. 

 Oil Shale, 88. 

 Old Eed Sandstone and Silurian Beds, 



Passage between the, 230. 

 Oolites, Denudation of the, 140. 

 Orueba, M. de. Geology of Malaga, 135. 

 Ostracoda, Fossil, of North America, 60. 

 Owen, E., Mammalia of the Mesozoic 



Formations, 177 ; Fossil Mammals of 



Australia, 464; Visit to Brighton, 626. 

 Oysters, Anomalous Mode of Growth of, 



355. 



PALiEONTOGEAPHICAL Society, 

 175, 225. 



Parallel Drift-ridges of Kendal, 308; 

 of Massachusetts, 27. 



Parfitt, E., Crustacea Podophthalmata, 

 79 ; FossU Sponge Spicules in the 

 Greensand of Haldon and Blackdown, 

 79. 



Parker, W. K., and T. E. Jones, On the 

 Foraminifera of the Chalk of Graves- 

 end and Meudon, figured by Prof. 

 Ehrenberg, 506, 563. 



Peach, C. W., Coal-fields at Falkirk, 187. 



Peat-beds at Hull, 186. 



Pebbles, Vertical Position of, 30. 



Pengelly, W., Machairodus latidens in 

 Kent's Cavern, 42 ; Modern and An- 

 cient Beaches of Portland, 78 ; Caverns 

 near Tealmpton and Brixham, 79. 



Pentland Hills, Geology of the, 423, 424. 



Perceval, S. G., On the Occurrence of 

 Websterite, at Brighton, 121 ; Silicified 

 Coral from the Coast of Sussex, 476, 

 576. 



Phaneropleuron, 529. 



Pholadidse, Boring of the, 73, 184. 



Pholas-burrows in Miller's Dale, 39, 96. 



Phonolite, Structure of, 247. 



Phosphates from Charleston, 235. 



Phosphate Eocks of South Carolina, 373. 



Pinites hexagonus, 540. 



Plant Eemains from the Devonian Eocks 

 of America, 231. 



Plaster, Concretionary Structure in, 192, 

 333, 383. 



Plutonic Eocks of County Down, 421. 



Portland, Beaches of, 78. 



Portland "Wood on the Coast of Sussex, 

 524. 



Portsmouth, Section at, 84. 



Pourtales, L. F., Bed of the Gulf-stream, 

 425. 



Pre- Glacial Geography of Northern 

 Cheshire, 158. 



Prestwich, J., Coal-fields of Somerset- 

 shire, 520. 



SEA 



Protoza, 88. 



Punfield Formation, 138. 



Punjab, Geology of Mount Tilla, 127. 



QUAT EENAEY Deposits of the Bristol 

 neighbourhood, 321. 



RAMSAY, A. C, Physical Eelations 

 of the New Eed Marl, Ehtetic 

 Beds, and Lower Lias, 136 ; Eed Eocks 

 of England of older date than the 

 Trias, 227 ; Award of WoUaston 

 Medal to, 181. 



Eeade, J. B., Obituary Notice of, 47. 



Eed Crag of Butley, 315, 450. 



Eed Eocks of England, 227. 



Eeptilian Fossils from Gozo, 37. 



Skull from the Wealden-beds, 



138. 



Ehaetic Beds, 136, 401. 



Section at Newbridge Hill, 427. 



Eiver Terraces, 475, 526, 574. 



Eocks, Mean Thickness of the Sedimen- 

 tary, 97, 189. 



Eocky Mountains, Geological Explor- 

 ations in the, 127 ; Scenery of the, 

 173. 



Eoemer, F., Geology of Prussian- Silesia, 

 322. 



Eofe, J., Notes on the Crinoidea, 241. 



Eoxburgh, Silurian Eocks of, 456. 



Eutley, F., Glaciation of the Lake- 

 district, 93. 



ST. DAVID'S, Geology of, 329. 

 Sand, Foliation of, 316, 



Sandstone, Bituminous striped, 88. 



Santorin, Islands of, 345. 



Sauvage, H. E., Mosasaurian Eeptile from 

 Boulogne, 465. 



Savile, B. W., "Truth of the Bible," 

 76. 



Sawkins, J. G., Geology of British 

 Guiana, 378, 



Schloenbach, G. J. C. U., Obituary 

 Notice of, 477. 



Scotland, Metamorphic Rocks of, 263. 



Scott, E. H., Minerals of Strontian, 283. 



Scrope, G. P., Thickness of the Sedimen- 

 tary Eocks, 189. 



Sedimentary Eocks, Thickness of the, 

 97, 189, 285. 



Selkirk, Silurian Eocks of, 456. 



Sequoiites ovalis, 541. 



Severn, Gravels of the, 29. 



Shaler, N. S., Glacial Drift in Massa- 

 chusetts, 27. 



Sharp, S., Note on a Futile Search for 

 Coal near Northampton, 505. 



Shaw, J., Diamond-fields of South Africa, 

 571. 



