Den 



112 



& Shropshire, ix. 175 ; d. generally, vi. 

 p. lv; marine, vi. 71 ; enlarging vole, 

 craters, vi. 207-213 ; craters formed by, 

 xii. 329 ; d. of soft strata, xvii. 2-4 ; 

 in Ireland, xviii. 378 et seqq., xxix. 199 ; 

 its relat. to disturb, of surface, xviii. 

 392; d. of limest., xviii. 397. 



Denudation of Weald, xxi. 460-474 figs., 

 xxvii. 3-27 & pi. i (maps & sections), 

 xlvii. 157 et seqq. ; of Plioc. Crag area, 

 xxii. 245 ; subaerial, xxiii. 265 ; ' arcs 

 of denud. ' in S.E. England, xxiii. 400 

 et seqq., xxiv. 166 ; d. in Mendip area, 

 xxiii. 454 ; ' denud. -beds & features ' 

 of Yorks & Lines, xxiv. 175 ; periods 

 in Lanes & Yorks Carb. districts, xxiv. 

 333 ; evid. in Abyssinia, xxv. 405 ; d. of 

 drift-deposits in N.W. Lanes, xxv. 417 ; 

 on Hants coast, etc., xxvi. 548; Oolites 

 in Bath district, xxvii. 228-231 ; of 

 Bloemfontein plateau, etc., xxviii. 13; of 

 alluvial fans by rivers, xxix. 451 et seqq. 

 figs. ; in Caucasus, xxx. 463 ; agencies of, 

 xxx. p. lviii, xxxii. Proc. 4-9. 



Denudation, glacial, in Eden Valley & 

 W. part of Yorks Dale district, xxxi. 

 71 ; since Pleistoc. times in Britain, 

 xxxi. pp. lxx et seqq.; rapid pluvial, on 

 Mte. Somma & Etna, xxxii. 476, 477; 

 d. of M. S. & Vesuvius, xl. 103 ; poss. 

 effect of d. in shifting N. Pole, xxxiv. 43; 

 marine, at Westward Ho !, xl. 474-478 ; 

 in Rio Tinto district, extreme rapidity 

 of, xli. 264 ; in S. Transvaal, xlvii. 459. 



' Denudation-gravels,' so-called, in E. An- 

 glia, xxxii. 196, 201. 



Deosai tableland (Upper Indus basin), sec- 

 tion across part of, xxix. 465. 



Depressions, recent, of land, iii. 234-240; 

 areas of, around Brit. Is., xvii. 534, xviii. 

 37-42. 



Deptford (Kent), section at, vi. 447. 



Depth at wh. brine is found in Cheshire, 

 iv. 283-284; of former seas, xi. p. lxxv ; 

 as a factor in metamorphism, xlix. 353; 

 marine zones of (Forbes' classif.), viii. 

 303. 



Derby, O. A., Nepheline Rocks in Brazil, 

 w. spec. ref. to Assoc, of Phonolite & 

 Foyaite, Part I., xliii. 457-473 figs. ; 

 Part II. : Tingua Mass, xlvii. 251-265 

 figs. 



— — ■ ,Wollaston Fund Award to, xlviii. 



Proc. 30. 



Derby, sketch-map of Pleistoc. deposits 

 nr., xlii. 438 ; Chalky Gravel at, xlii. 

 464 ; later Pennine Boulder Clay at, 

 xlii. 477. 



Derbyshire, Carb. in, xviii. 137, 140; S.E. 

 thinning of same, xxx. 190; gen. suc- 

 cess, of same, xxxiii. 627; Millst. Grit 

 in, xx. 242-267 & pi. xiv (map) ; Melo- 

 nites fir. Carb. Limest. of, xxxii. 395-399 

 figs. ; (S.), fossilif. nodules, etc. in 

 Perm. (?) breccias of, xli. Proc. 109 ; 

 glacial orig. of P. br. of, xlvi. Proc. 114 ; 

 microsc. struct. of'Carb. dolerites & tuffs 

 in, 1. 603-644 & pis. xxiv.-xxv. 



Derik (Asia Minor), section to Bevadust, 



xi. 300, 338. 

 Derived fossils in Red Crag, xv. 32-45 w. 



lists, xxi. 223 et seqq., xxii. 543, xxvii. 



351, 369, xxx. 7 ; corals in Sutton Stone, 



xxii. 89 ; brachiop. in Budleigh Salter- 



ton Pebble-bed, xxvi. 70-90 & pis. iv. 



-vi. ; fr. Lond. Clay nr. Sutton, xxvii. 



117 ; in post-Tert. sands nr. Reading, 



xxxvi. 302 ; in Aust bone-bed, xxxvii. 



414 ; in Olive Group of E. Salt Range, 



xlii. 341-350; fragm. in Longmynd & 



newer Archaean of Shropshire, xlii. 481- 



485 ; crystals in Tormore dyke-rocks, 



xlix. 560. 

 Derr (Nubia), section of Nile Valley at, 



xx. 13. 

 Derrible, Point (Sark), section at E. corner 



descr., xlviii. 12 S. 

 Deny (Pennsylvania), supp. footpr. in Coal 



Measures of, ii. 418. 

 Derry, Glen (Aberdeen), drifts in, xvi. 356 



et seqq. ; view of head of, xvi. 357 ; 



section of mound in, xvi. 358. 

 Dersingham (Norfolk), section descr., xliii. 



560; diagr. do. to Cheddington, xliii. 



595. 

 Derwent River (Derby), section to Marple, 



xx. 251. 

 Derwent River (Yorks), Corallian W. of, 



xxxiii. 361 ; do. E. of, xxxiii. 373. 

 Derwent Valley (Tasmania), Palaeoz. in, 



iii. 245. 

 Derwentwater (Cumberland), Skiddaw 



Slates W. of, xix. 114; do. E. of, xix. 



119 ; phys. history of, xxx. 96 et seqq. 



& pi. x. 

 Des Cloizeaux, A. L. O., Wollaston 



Medal awarded to, xlii. Proc. 30. 

 Desborough (Northants), section, x. 236. 

 Desert plains of Persia, xxix. 495 ; gravel- 

 slopes on margins of same, xxix. 496 ; 



prob. orig. of same, xxix. 498. 

 ' Desert Sandstone,' xlix. Proc. 2 ; of 



Queensland, xxviii. 275. 

 Deshates, G. P., *Fossils of Pyrenees, i. 



111-114. 

 , Wollaston Fund Awards to, xii. 



p. xxv, xx. p. xxxii ; Wollaston Medal 



awarded to, xxvi. p. xxvii ; obituary of, 



xxxii. Proc. 80. 

 Deskit (India), fan-talus at, xxix. 444 fig. 

 Deslongohamps, E., *Geol. of New 



Caledonia, & Triass. Foss. fr. Hugon I., 



xx. (Part 2) 31-32. 

 Deslongchamps, J. A. E., obituary of, 



xxiii. p. Iii. 

 Desmograptus, subgen. name prop., xxxi. 



668. 

 Desnoyers, J., *Indic. of Co-exist, of Man 



w. Eleph. meridionalis in Beds more 



ancient than Quaternary Gravels of 



Somme & Seine Valleys, xix. (Part 2) 



17-19. 



— , obituary of, xliv. Proc. 51. 



Desor, E. (& E. C. Cabot), Tertiary, etc. 



Deposits of Nantucket (U.S.A.), v. 



340-344. 



