GENEEAL INDEX. 



641 



Proboscina angustata, 467 ; hohemica 

 (?) var., 472 ; dilatata (?) and var. 

 cantabrigiensis(?), 473 ; genus, 466 ; 

 gigaiitopora, 471 ; gracilis, var. 

 Beussii, 469 ; hunstantonensis, and 

 var. ampliata, 470 ; irregularis, and 

 var., 468 ; Jessoni, 471 ; ramosa (?), 

 473 ; rugosa (?), 468 ; subelegans, 

 470 ; Toucasiana (?), 572 ; uberrima, 

 469. 



Profile-diagram of Ben Hiant, 375. 



Propylites, composition of, 349 ; 

 geological age of the Scottish, 353 ; 

 microscopical characters of the, 

 350 ; of the Western Isles of Scot- 

 land, Prof. J. W. Judd on the, 341, 

 345 ; origin and original condition 

 of the Scottish, 354, 356, 367 ; struc- 

 ture of the, 354 ; Propylitic modi- 

 fication, causes of, 366. 



Frotichnites, 600 ; acadicus, 599. 



Psammichnites, 597. 



Purbeck beds, Cimiliosaurus from the, 

 47 ; Sauropterygians of the, 36, 47. 



Pyrosene-andesites, 361, 371, 377. 



diorites, 461, 365. 



Quartz-andesite of Porthlisky Bay, 



253. 

 Quartz-diorites of Mull, 361. 

 Quartzite of the Longmynd, 414. 

 Quenclon and Rickling, in the Valley 



of the Cam, vpells at, 334. 



Eadiating Burrow, 605. 



Eadiolarian Chert from Scotland, Ur. 



Gr. J. Hinde on some, Proc. ii i. 

 " Raised Beaches," so-called, of Hope's 



Nose and the Thatcher Rock, Mr. D. 



Pidgeon on the, 438. 

 Raised Shores and Beaches of the 



G-reat Lakes, 529. 

 Ramsleigh limestone, 508. 

 Range of some Paleeozoic genera of 



Entomostraca, 2 ; of the Polyzoa 



of the Red Chalk, 460; of the 



Westleton Beds inland, 124. 

 Rapids of the St. Lawrence, 530. 

 Rauchwacke, microscopic structure of 



the, 230 ; the, and its relation to the 



Schists, 204, 230. 

 Reading, gravels near, 560, 582 ; Mr. 



O. A. Shrubsole on the gravels 



about, 582. 

 Red Chalk, Polyzoa of the, 454. 

 Red Crag, new mammals from the, 444. 

 Red Hill, rocks of the. New Zealand, 



623. 

 Red quartz-andesite of Porthlisky 



Bay, 258. 

 Redlands, gravels at, 589. 



Relation of the Pebidian to the Cam- 

 brian at St. Davids, 241, 253 ; of the 

 Variolitic and other rocks of Mont 

 Genevre, 319. 



Reptomulticava collis (?), 481 ; genus, 

 481 ; simplex (?), 481. 



Resolution of Council respecting the 

 • Death of Mr. Dallas, Proc. 121. 



Bhamphorhynchus Jessoni, 430. 



Bhaxella perforata, 59. 



Rill-marks, 615. 



Ripple-marks, worm -tracks, and 

 shrinkage-cracks, 610, 611. 



Ritom, section across Lake, 200. 



River St. Lawrence, 525. 



Ruscombe, gravels at, 591. 



Busichnites, 596 ; acadicus, 598. 



Rusophycus, 596. 



Rutley, Mr. F.,on Composite Spheru- 

 lites in Obsidian from Hot Springs 

 near Little Lake, California, 423. 



Sabellarites, 605, 607 ; phosphaticus, 

 608 ; trenionensis, 607. 



Sserichnites, 596. 



St. Davids, Pebidian Volcanic series 

 at, 241 ; Promontory, section across, 

 257. 



St. Lawrence, the river, 525. 



St. Non's Arch, sketch of, 246. 



St. Non's Bay, map of the Pebidian 

 and Cambrian in, 244. 



Saltern Cove, 497, 508. 



Sandhurst, gravels at, 560. 



Sauropodous Dinosaurs from the 

 Wealden, Proc. 6, 182. 



Sauropterygians of the Purbeck and 

 the Oxford Clay, 36, 47, 49. 



Scarborough, siliceous sponges from 

 the Calcareous Grit of, 59. 



Schists near Andermatt, 191 ; of the 

 Val Piora, 199, 244. 



Schorlaceous Felsites, South Devon, 76. 



Scolithus, 602, 605, 607 ; canadensis, 

 604 ; linearis, 603. 



Scopi, schists of the, 214 ; section on 

 the, 215. 



Scotland, a new Labyrinthodont from, 

 289 ; Propylites of the Western Isles 

 of, 341, 345; Radiolarian Chert 

 from, Proc. iii. 



Scotolithus mirabilis, 604. 



Section across Littlebury, Essex, 337 ; 

 the extreme south part of the Long- 

 mynd, 392 ; the southern part of the 

 Longmynd, 392 ; the Volcanic Hills 

 near Church Stretton, 409 ; along 

 Smitham Bottom, 172, 



Sectional list of beds at Chideock Hill 

 and Down Cliffs, 519 ; of the Port- 

 land beds, 279. 



