﻿Vol. 64.] 



GENERAL INDEX. 



661 



Trkaciier, Ll. [exhibits 'anTil-stoiie' 

 fr. Ruscombe], v. 



Treginnis Series (Pebidian), 3R8-70. 



Treinolite in Glendalough rocks, 478, 

 480, 481 figs. 



Triqonotreta, generic definition of, 

 30. 



Triniinphara (Norfolk), subdivisions 

 of Chalk of, 401-12 figs. & 

 pis, xlvii-xlviii (maps). 



Trust-funds, statement of, xl-xli ; 

 objects, &c. of, cxxi-cxxii. 



Trwyn Llwyd (Pembrokeshire), en- 

 statite-quartz-gabbro of, 280-81 w. 

 chem. anal. & pis. xxix-xxx (micro- 

 scop, sects.) ; fluxion-structure in 

 rock from, 277 & pi. xxx (microscop. 

 sect.). 



Tuffs (Pebidian), 366 et seqq. 



Tungsten, sec Wolfram. 



TurriteUa acuticarinata, 628 & pi. Ivii. 



spp. 1 & 2 (Miocene), 628. 



sp. 3 (Eocene), 638. 



TuTCHER, J. W., 69, 453. 



Twinning in pyroxenes of St. David's 

 Head ' rock-series ', 286, 287-88 & 

 pis. xxxi-xxxii (microscop. sects.). 



Ty-draw Slates in Grlyn-Oeiriog Valley, 

 554 ; detailed descr. of do., 579. 



Tye or tie (stream-tin washing), 391. 



* Ultrabasic rock ' fr. New Zealand, 

 159. 



Unconformity, local, betw. Carb. 

 Limest. & Pendleside Series, 63-64, 

 & fig. on p. 62 ; unconformity, sug- 

 gested, in pre-Cambrian of E. 

 Canada, 143. 



United States, Geol. Siirv. maps pre- 

 sented, vi. 



UssiiER, W. A. E., [on pillow-lavas of 

 Devon & Cornwall], 272. 



Valleys formed by solution in the 

 Glyme area, 335-44 w. map & 

 pis. xxxviii-xxxix. 



Vaughan, a., 537; [Faunal Succession 

 & Correlation of the Carbonifei-ous 

 E-ocks at Loughshiuny], 436-72 figs. 

 & pis. xlix-1, 474. 



Vedro, Val di (Italy), gneiss, &c. of, 

 157. 



Velocities (final) of subsidence of 

 solids in water, 172-73 ; vcloc. of 

 current, relats. betw. angles of rest 

 and, 176; veloe. of cui-rent able to 

 ftart or maintain drifting, 17(>. 

 Venus granosa, 636. 



Vereeniging (Transvaal), Pernio-Car- 



boniferous plants from, 109-26 figs. 



& pis. ix-x. 

 Vesuvius, Mt., cartoons representg, 



stages of growth of, cxxxi. 

 Vigezzo, Valle (Italy), serpentine of, 



157, 158. 

 Valuta (?) hirmanica, sp. nov., 632 & 



pi. Ivii. 



d'Archiaci, sp. nov., 640 & pi. Iv. 



pernodosa, sp. nov., 640 & pi. Ivii. 



Wales (N.), faunal success, in Carb. 

 Limest. compared w. that of Mid- 

 land area, 66-67; (S.), Bala Series 

 compared w. that of Glyn Ceiriog, 

 589-90, 592. 



Walker, J. F., obituary of, Ixvii- 

 Ixviii. 



Warslow (Staffs.), Carb. Limest. at, 

 61. 



Wash or ' head ' of Bodmin-Moor 

 area, 386 et seqq. 



Waterfall Creek (S. Australia), Cam- 

 brian till in, pis. xxiv & sxv. 



Waterhouses (Staffs.), faunal fades of 

 Lo72sdalia-3\xbzor\e at, 48 ; litho- 

 logical character of do., 56 ; C't/a- 

 thaxonia-suhz<me at, 61. 



Watts, W. W. , Ixviii, 475 ; [on struct. 

 of St. David's area], 383 ; [on 

 Glacial conditions in Cornwall], 

 398-99 ; [on Greystones picrite], 

 495. 



Weathering, specims. of, fr. Pentreath, 

 cxxix. 



Wedd, C. B., 51, 55. 63, 69: [on 

 Carb. Limest. of Midlaiid area], 81. 



Well-sections at Hitchin, &c., descr., 

 13 e^; seqq. 



Wenlock (& ? Ludlow) Beds of Tort- 

 worth Inlier, 522-34 figs. ; remarks 

 on foss. from do., 536-37; list of 

 foss. from do., 541-43; W. Lime- 

 stone, oolitic beds in, 207-208 ; 

 interspaces in W. L. of Easthope, 

 209&pLxviii. 



Wernerian doctrines in Geol. Soc, 

 publications, Ixxi-lxxiv. 



Wetton (Staffs.), Pendleside Series, 

 &c. near, 61-63. 



Wey, R. (Surrey), notes on, 318-34 

 w. map & pis. xxxvi-xxxvii (maps). 



Wliipsnade Heath (Beds.), palsDolith 

 found at, 2. 



White, H. J. O., award fr. Lyell 

 Fund to, xlviii-xlix. 



Whitfield & Falfield (Gloucest.), Wen- 

 lock Beds of, 525-28. 



Wilbury Hill (Herts.), 9, 11 ; gravels 

 of, 21. 



