Index. 



633 



PLA 



VOL 



Plant-bearing Series of India, Age and 



Correlation, 134. 

 Plicatocrinus and Cotylederma in British 



Strata, 626. 

 Polar Eegions, Former Climate of the, 



525. 

 Polar Ice-cap, Formation of, 513. 

 Post-Pliocene Formations of Isle of 



Man, 80, 226, 329, 428, 

 Principes de Geologie Transformiste,619. 

 Prismatic Construction of Basalt, 412 ; 



566. 

 Prestwich, Prof., Origin of Chesil-Bank, 



228 ; On Past and Future of Geology, 



375, 

 Prussia, Deep-boring in, 48. 

 Prorastomus sireno'ides, 422. 



RAIN-FALL in 1872, 192. 

 Reade, T. M., Wind Denudation — 



Eolites, 587. 

 Red Chalk, Hunstanton, 331. 

 Red Rocks of Tyrone and Derry, 287. 

 Relics of Cave Dwellers of Aquitania, 



(" Reliquiaz Aquitanicce'") 610. 

 Review of Dana's Notes on Palaeozoic 



Botany, 177. 



Geological Map of London ,231. 



Revue de Geologie, Delesse and Lap- 

 parent, 45. 

 Rhsetic bone-bed near Frome, 96. 

 Ricketts, Dr. C, Cause of Glacial Period, 



573. 

 Rocks of Mining Districts of Cornwall, 



235. 

 Royal Society of Edinburgh, Award to 



Mr. C. W. Peach, 288. 

 Rudiments of Geology, by S. Sharp, 377. 

 Rutley, F., Peculiarities in Microscopic 



Structure of Felspars, 381. 



SANDERS, W., Obituary Notice of, 

 627. 



Sarsden Stones, Notes on some,' 588. 



Scrope, G. Poulett, Volcanic Eruptions in 

 Iceland, 289 ; Mallet's Prismatic Con- 

 struction of Basalt, 412; Cup-shaped 

 Joints of Basaltic Columns, 625. 



Sea Life in the Deep, 88. 



Seeley, Prof. H. G., On Femur of 

 Cryptosaurus humerus, 92; Pelobato- 

 chelys -Blahei and other Vertebrate 

 Fossils, 136; On Maxillary Bone of 

 new Dinosaur, 239 ; Axis of Dinosaur 

 from "Wealden of Brook, 382; Or- 

 nithosaurian from Purbeck Limestone, 

 382 ; Vertebrate Fossil from Gault, 

 Folkestone, 521. 



Sharp, S,, on Rudiments of Geology, 377. 



Sirenian Mammal, Fossil Evidences of, 

 46. 



Skull of Rhizodus, Structure of, 423. 



Sorby, H. C, Fossil Forest in Coal- 

 measures at Wadsley, 278. 



Specific Gravity of Precious Stones, 320. 



Sphenonchus hamatus, R. Tate on, 286. 



Stagonolepis Roberisoni and Evolution of 

 Crocodilia, 275. 



Stromboli, Mechanism of, 286. 



Submerged Forests, 239, 283. 



Sub-glacial Formation of Gravels, 172. 



Sulphurets : What they are, 618. 



Superficial Geology of Central Region 

 of North America, 515. 



TABULATE Coral, Description of new 

 Genus of, 514. 



" Tasmanite " and Australian White 

 Coal, 337. 



Tate, R., On some new Liassic Fossils, 

 203; Sphenonchus hamatus, 286; On 

 Lias about Radstock, 381. 



Tawney, E. B., Cretaceous Aporrhaidce, 

 139. 



Tennant, Prof., Notes on Diamonds from 

 Cape of Good Hope, 545. 



Tertiary Lake-basins of North America, 

 232. 



Thomson, New Corals from Carbonifer- 

 ous Limestone, 273. 



Torquay, Artesian Well at, 96. 



Traill, W. A., Travertine or Calcareous 

 Tuff near Ballycastle, 608. 



Transition from Carboniferous to Per- 

 mian, 272. 



Travertine or Calcareous Tuff near Bally- 

 castle, 608. 



Triassic Rocks, Somerset and Devon, 163. 



Tylor, A., Action of Denuding Agencies, 

 433. 



Tupper, J. L., On Cruziana semiplicata, 

 274. 



UNIFORMITY and Vulcanicity, 97. 

 Ussher, W. A., Subdivisions of 

 Triassic Rocks, 163, 



VALLEYS and their Relation to Fis- 

 sures, Fractures and Faults, 131. 

 Verbeek, R. D. M., Geology of Central 



Sumatra, 477. 

 Vertebrate Fossil from Gault of Folke- 

 stone, 521. 

 Victoria, Geological Survey of, 562. 

 Voice from the Past, 285. 

 Volcanic Dust of Barbadoes, 287. 



Eruptions in Iceland, 289. 



in Java, 141. 



Rocks of Lake-Country, 95. 



Volcanos, Contributions to the Study of, 

 1, 56, 99, 145, 206, 245, 298, 348. 



