113 



Dev 



Desok, E., Air-bubble Marks, whether (lis- 

 ting, fr. Rain-marks [title only], viii. 

 426. 

 Despair, Bay of (Newfoundland), copper 



& other ores at, xxx. 731. 

 Desvres (Boulonnais), section E. of, xxiv. 



475 ; Wealden nr., xxiv. 477. 

 ' Detrital beds ' within & without N.E. 

 part of Weald Valley, their evid. as to 

 its denud., xxvii. 3-27 & pi. i (maps & 

 sections). 

 ' Detrital quartzites,' 1. 380. 

 Deunant (Caernarvon), variolite at, xlix. 



154, 157. 

 Deuterosaurus biarmicus, xxxii. 357, 358 



figs. 

 Deveron River (Banff), section to R. Spey, 



xxvii. 102. 

 Devil's Bridge (Caerdigan), section to Aber- 

 ystwith, xxxvii. 143; gr. inversion of 

 rocks at, xxxvii. 146; list of foss. fr., 

 xxxvii. 147. 

 Devitrification, primary, in artificial glasses, 

 xli. Proc. 91 ; d.-struct. in perlitic rocks, 

 xli. Proc. 94. 

 Devitrified pitchstones & perlites, ancient, 

 fr. Shropshire, xxxiii. 449-460 & pi. xx. 

 (micr. sections) ; rocks fr. Beddgelert & 

 Snowdon, xxxvii. 403-409 figs. & pi. xxi. 

 Devizes (Wilts), Lr. Greensand, etc. nr., 

 vi. 453, 468; Portlandian at, xxxvi. 

 203. 

 Devon, Devonian of, viii. 3 et seqq. ; drift 

 of, its orig., correl. w. that of S.E. Eng- 

 land, etc., xxxii. 80-90; chronol. value of 

 Pleistoc. deposits, xxxiv. 449-458; & 

 Cornwall, area of elev. in, iii. 94-97 ; 

 slate-rocks of, viii. 1-19. 

 Devon (North), Upper Devon, of, xix. 478; 

 generalized section, xix. 479 ; supp. Boul- 

 der Clay in, xx. 445-451 figs. ; Carb. 

 slate or Devon. & O. R. S. of, xxii. 320- 

 371 figs. ; phys. struct, of, xxiii. 251 ; 

 distrib. of foss. in rocks of, xxiii. 371- 

 380 w. map & lists ; struct. & success, 

 of rocks in, xxiii. 594-612 figs., xlvii. 

 Proc. 7-11 ; geol. map of, xxiii. 580 ; 

 Lr. & Middle Devon, foss. of, xxiii. 635, 

 639 ; do. common to S. Devon and, xxiii. 

 642 ; do. common to W. Somerset also, 

 xxiii. 651. 

 Devon (North), geol. relat. of strata w. 

 those in S. Ireland, xxxvi. 255-276 w. 

 comp. sections ; Devono-Silur. in, xxxviii. 

 203 : raised beaches & ' head ' along coast 

 of, xlviii. 281. 

 Devon (South), section to O. R. S. of 

 Brecon, ix. 28 ; Middle Devon, spp. com- 

 mon to N. Devon and, xxiii. 642; do. 

 common to W. Somerset also, xxiii. 

 651 ; Palaeoz. of, xxiv. 400-454 figs. & 

 pi. xvi (map) ; Cephalasp. fishes fr., 

 xxiv. 546; 'New Red' success, along 

 coast of, xxv. 152-157 figs., xxxii. 367- 

 394, xliv. 149-163, xlviii. 68-80, xlix. 

 Proc. 134 ; Hyperodapedon fr., xxv. 146, 

 156 ; vertebrata in same, xl. 257-262 

 figs., xliv. 318-319 ; Chalk of, xxvii. 93- 



100 ; Cret. of Beer Head district, xxx. 

 369-393 w. lists of foss. & table of rock- 

 succession. 



Devon (South), geol. of coast betw. Tor- 

 cross & Hope Cove, xl. 1-27 figs. & 

 pi. i. ; metamorph. rocks of, xlii. Proc. 

 85, xliii. 715-733 figs. ; map of part 

 of, xliii. 716 ; Ashprington Vole. Series 

 of, xlv. 369-379; igneous constit. of 

 Triass. breccias & conglom., xlvi. 69-83 ; 

 Devon, of, xlvi. 487-517 w. maps facg. 

 490 ; comp. of Red Rocks w. those of 

 Midland & W. Counties, xlviii. 60-67 

 figs. ; raised beaches & ' head ' along 

 coast of, xlviii. 278 ; rubble-drift inland, 

 xlviii. 318 ; microsc. struct. & insol. 

 residues in Devon. Limest. of, xlviii. 377- 

 389 & pi. ix. ; basalts & andesites of, 

 xlviii. 496-507 ; base of Keuper in, xlix. 

 79 ; parallelism of river-drainage in, xlix. 

 83; Devon, success, in, 1. Proc. 74 et 

 seqq. 



Devon (South-east), asye of valleys in, xxii. 

 465 et seqq. ; ' Waterstone ' beds in 

 Keuper of, xxiv. 546. 



Devonian rocks, ii. 165-168 ; of ' New 

 York system,' iv. 154, 157, xiv. 372 ; 

 do. tables of groups, xiv. 337, 429 ; foss. 

 fr. same, their group-relat., table facg. 

 xiv. 420; recurr. foss. of same, table 

 facg. xiv. 424, xv. 274 ; stages of N. Y. 

 Basin, xiv. 439; Dev. in Asia Minor, 

 v. 361, 362-364 ; in Spain, vi. 40T; of 

 Sarlhe, vii. 18 ; of Devon, viii. 3 etseqq. ; 

 of Belgium, review of Dumont's classif., 

 ix. 18-29 ; of Boulonnais. ix. 239 etseqq., 

 x. p. liii ; of N. Cornwall, aurif. quartz 

 in, x. 248 ; of Eifel district, x. p. liv, xi. 

 p. lix; brachiop. fr. China, ix. 353-359 

 & pi. xv. 



Devonian nr. Christiania, xi. 161 : (Upper) 

 in Thiiringerwald, xi. 414; do., gene- 

 rally, xix. 474-496; Dev. in Harz, xi. 

 436 ; passage of same to Carb., xi. 

 440 ; Dev. of R. Elk & R. Mackenzie, 

 xi. 509 ; its upper limits in W. England, 

 xi. p. xlviii ; in Flanders, etc., xii. 48 ; in 

 Nassau, xiv. p. lxxvi ; *of Avesnes, xiv. 

 (Part 2) 23; of Cork, joints in 'Brown- 

 stone ' & yellow sandst., xv. 87 et seqq. ; 

 of Exmoor, iron ores in, xv. 105-109 ; 

 in Cape Colony, xv. 196, 197; gen. 

 view of, xv. 414; in Britain & Russia 

 correl. w. O. R. S., table, xv. 437 ; plant- 

 remains fr. Canada, xv. 477-487 figs. ; 

 so-called, of N. coast of Scotland, xv. 

 584; fishes, nomencl. of, xvi. 119-136 

 figs. ; do. of Russia, table, xv. 439 ; 

 flora, xvi. 279; do. in N.E. America, 

 xviii. 296-330 & pis. xii.-xvii., w. 

 App. facg. 329 ; Crustacea ibid., xviii. 

 346, xix. 75 et seqq.; Dev. # of Loire 

 Infre., xvii. (Part 2) 15; # of Moravia, 

 xvii. (Part 2) 24 ; in Bolivia, xvii. 

 51 ; (?) in W. Australia, xvii. 479 ; of 

 Maine, Gaspe, & N. Y., xix. 458-469 & 

 pis. xvii.-xix., xxvi. 166, xxxvii. 299-308 

 & pis. xii.-xiii. ; Dev. in S.W, England, 

 I 



