GENERAL INDEX. 



729 



Trachyte, quartz-oligoclase, from Sko- 



mer Island, 411. 

 Traquair, Dr. R. H., award of the 



Wollaston Donation Fund to, Proc. 



33- 



Traws Coed and Caradoc waterfall, 

 section in railway-cutting between, 

 155. 



Triassic rocks of the Carlisle basin, 



Mr. T. V. Holmes on the, 286. 

 Triassic sandstones, constitution of, 



12, 25, 26. 

 Triconodon mordax, 378. 

 Trieste, Prof. Seeley on the remains of 



a small Lizard from the Neocomian 



rocks of Conien, near, 52. 

 Trigonia, Mr. R. Etheridge on a new 



species of, 246. 



densinoda, 246. 



Trouville, map of the coast near, 



548. 



Tubutella ambigua, 71, 80. 



Tuff, vitreous, from the Lower Geyser 

 basin, Yellowstone district, 396. 



Ty Croes, section on the railway from, 

 to Bodorgan, 217 ; structure of rock 

 from, 233. 



Tyddyn Gob, 41, 47. 



Ty Newydd, 40 ; microscopic character 

 of rock from, 46 ; analysis of ser- 

 pentine from, 46, note. 



Ty LTcha, 41 ; microscopic characters 

 of rock from, 45. 



Upper Greensand, Mr. Parkinson on 

 the, and chloritic marl, Isle of 

 Wight, 370. 



Upper Headon beds, 92 ; of Colwell 

 bay, 102. 



Upper Jurassic rocks of England, Rev. 

 J. F. Blake on the correlation of the, 

 with those of the continent, 497. 



Upper Mottled Sandstones, 12, 14. 



Upper Permian of the Carlisle basin, 

 286. 



Veins, alluvial, with Liassic and Rhse- 

 tic remains, in the carboniferous of 

 Durdham Down, 73. 



Verdun, map of the country round, 

 507. 



Vertebra, caudal, of a Cetacean, Prof. 



Seeley on the, 709. 

 Victoria, Mr. A. W. Waters on fossil 



Chilostomatous Bryozoa from 



South-west, 309. 

 View of perched gravel-mound on 



Halkin Mountain, 358. 

 Vine, G. R., Esq., presentation of one 



moiety of the Lyell Geological Fund 



to, Proc. 35. 



Q. J. G. S. No. 148. 



Vine, G. R., Esq., on the Family Dias- 



toporiclaa, Busk: — species from the 



Lias and Oolite, 381. 

 , on Silurian uniserial Stomato- 



poras and Ascodictya, 613. 

 Vitreous rocks, Mr. F. Rutley on, of 



Montana, U. S. A., 391. 

 Volcanic group of Paris Mountain, 



221. 



rocks from Montana, microscopic 



characters of, 398. 

 of Montana, U. S. A., Mr. 



Eccles on some, 399. 



Wales, Central, diagram of the general 

 structure of, 160. 



, , Mr. W. Keeping on the 



geology of, 141. 



, North, Dr. Hicks on some 



remains of plants in the Denbigh- 

 shire grits at Corwen, 482. 



Walney, interglacial deposit at, 34. 



Warden cliff, Lower Headon beds of, 

 97 ; Middle Headon beds of, 100. 



and Weston chine, verti- 

 cal section of Lower Headon (fresh- 

 water) beds exposed between, 98. 



Wardour, Mr. R. Etheridge on a new 

 species of Trigonia from the Pur- 

 beck beds of the vale of, 246. 



Warwickshire, Rev. P. B. Broclie on 

 quartzite and fossiliferous pebbles 

 in the drift in, 430. 



Water-borne sands, examination of, 21. 



Waters, A. W., Esq., on fossil Chilo- 

 stomatous Bryozoa from South-west 

 Victoria, 309. 



Waterstone beds, constitution of, 15. 



Welsh mountains, Mr. Mackintosh on 

 Moel-Tryfan shelly deposits and 

 similar high-level deposits on the, 

 351. 



Wenlock limestone, Mr. F. D. Longe 

 on some specimens of Diastopora 

 and Stomatopora from the, Proc. 

 *39- 



Westbury-on-Trym, carboniferous 



limestone With minerals and oolitic 



remains, 77. 

 Western area of Anglesey, 225. 

 Weston chine, Lower Heaclon beds of 



the cliff between, and Wid click 



chine, 96. 



and Warden cliff, vertical 



section of Lower Headon (fresh- 

 water) beds exposed between, 98. 



Whidborne, G. F., Esq., on the genus 

 Plesiosaurus, 440. 



Whitecliff bay, Middle Headon of, 

 108 ; Brockenhurst zone at, 109. 



Widdick chine, Lower Headon beds of 

 3d 



