Index. 



581 



OBS 



sn 



S. Dallas, 333 ; Sir W. Warington 

 Smyth, 336 ; P. A. von Quenstedt, 

 235 ; M. Neumayr, 238, 383 ; B. W. 

 Mylue, 384 ; Silvestri Orazio, 576. 



Obsidian, Composite Spherulites in, 233. 



Olenellus ? Forresti, sp. nov., 99. 



Olivola, Pliocene Fauna at, 305. 



Oreodonts, Scott on the, 568. 



( h'iuiii of the Banded Structure in Lizard 

 Bocks, 505. 



of Slates, 264, 316. 



Ornithosaurian Bemains from the Oxford 

 Clay, 282. 



PACHYPORA tumida, sp. nov., 197. 

 Palaeontology and Geology, Guide 



to, 278. 

 Palaeontology, Manual of, 80, 127. 

 ■ of Western Australia, 97, 



145, 194. 

 Parker, W. K., Obituary Notice of, 431. 

 Paste of Limestones, 73. 

 Pebidiau Volcanic Series of St. Davids, 



94. 

 Pericosmus IPCoyi, sp. nov., 485. 

 Perlitic Structures, Method of Producing, 



79. 

 Permian Labyrinthodonts, 569. 

 Petrology of the Lizard, 573. 

 Pidgeon, Dr., Raised Beaches, 283. 

 Pinna Australis, sp. nov., 244. 

 Phtyctanius, Traquair, 55. 

 Physical Geology of sub-Himalaya, 471. 

 Physiography of the Lower Trias, 52, 



155, 235, 260. 

 Plateau Gravels, Age of, 327. 

 Pleistocene Nodules, 416. 

 Plerophyllum, gen. nov., 195. 

 ■ Australe, sp. nov. 196. 



sulcatum, sp. nov., 197. 



Pliocene Mammalian Fauna at Olivola, 



305. 



Rhynchopyyus Woodi from 



the, 300. 



Post-Tertiary Stratigraphy, 397. 



Postlethwaite, J., the Borrowdale Plum- 

 bago, 381 ; Standards of Measure- 

 ments, 480. 



Polypora australis, sp. nov., 199. 



Pre -Cambrian Bocks in Conglomerates, 

 516. 



Pressure on Serpentine, 533. 



Prestwieh, J., on the Westleton Beds, 

 92, 183; Elevation of the Weald, 

 479, 575. 



Priseiturben, on the genus, 172. 



Proceedings of the Cotteswold Club, 88, 

 288. 



Propylites of the Western Isles of Scot- 

 laud, 141. 



Pycuodont Fish, a New Species of, 158. 



QXTATEBNARY Changes of Levels, 

 492. 

 Quenstedt, F. A. von, Obituary of, 237. 



RADIOLARIA in Albite Crystals, 417. 

 Radiolarian Chert, 144. 



Rainy Lake Regions, Geology of, 36. 



Rapid Elevation of the Urals, 438. 



Reade, T. Mellard, Physiography of 

 the Lower Trias, 155, 260 ; Secular 

 Straining of the Earth, 344. 



Revue of Geology and Paheontology, 523. 



Rhaxella perforata, Hinde, 45. 



Rhobell Fawr, Structure of, 447. 



Rhombopora tenuis, sp. nov., 203. 



R/n/iiekopyyus Woodi, 300. 



Ripple-marks and Wave-action, 520. 



Rutley, F., on Composite Spherulites, 

 233. 



QALTERELLA Hardmani, sp. nov. 

 ° 98. 

 Saunders, J., Geology of Bedfordshire, 



117. 

 Sauropodous Dinosaurs, 45. 

 Schists of the Lizard District, 161. 

 School Manual of Geology, 273. 

 Sciliceous Sponges from Yorkshire, 44. 

 Sedimentary Series in England and Wales, 



308, 354. 

 Sedgwick, A., Life and Letters of, 423. 



Prize Essay for 1888, 228. 



Secular Straining of the Earth, 344. 

 Selenka's Zoological Pocket-book, 571. 

 Serpentine, Manufacture of, 33; Effect 



of Pressure on, 533. 

 Seward, A. C, Specific Variations in 



Sigillaria, 213. 

 Scott, W. B., on the Oreodonts, 568. 

 Sherborn and Woodward's Fossil Yerte- 



brata, 231. 

 Shropshire, Cambrian Rocks of, 186. 

 Shrubsole, O. A., on Valley Gravels, 382. 

 Siberia, Rivers of, 5. 

 Sigillaria?, Specific Variations in, 213. 

 Silurian Ascoceratidre and Lituitidas, 375. 

 Sites for Coal-search in the S.E. of 



England, 514. 

 Skiddaw Slates, Graptolites in the, 340. 

 Slag, Occurrence of Willemite in, 31. 

 Slates, Probable Origin of, 264, 316. 

 Smyth, Sir W. Warington, Obituary of, 



336, 383. 

 Somervail, A., Schists of the Lizard 



District, 161 ; Banded Bocks of the 



Lizard, 505. 

 South-East of England, Coal in the, 13. 

 Spencer, J. W., High Continental Eleva- 

 tion, 208 ; Origin of Lake Basins, 281. 

 Spirifera glabra, New Form of Spiral 



in, 461. 



