115 



Die 



xliii. 496 & pi. xx. ; variolitic, of Mt. 



Genevre, xlvi. 310; of Builth district, 



1. 567. 

 Diablerets (Switzerland), Nurnmulitic of, 



v. 187. 

 Diachoris intermedia (?), sp. nov., xxxv. 



224, 225. 

 Diadema lusitanieum, sp. nov., vi. 196 & 



pi. xxv. 



■ rude, sp. nov., vi. 197 & pi. xxv. 



sp. (Cret.), xxvii. 67 & pi. iii. 



Diadetognathus varvicensis, sp. nov., xxx. 



425 et seqq. & pi. xxvii. ; teeth, xxx. 434 



& pi. xxviii. 

 Diagonal bedding, vi. 79. 

 Diallage in newer gabbro of Lizard dis- 

 trict, chem. anal, of, xxxiii. 927; partly 



altered into bornbl. at Covernack, xxxiii. 



912 fig. ; do. at Balk, xxxiii. 896 ; diall. 



in gabbros of Ayrshire coast, xxxiv. 



778. 779 w. chem. anal.; (?) in Gr. 



Whin Sill, xl. 646 ; resultg. fr. alter, of 



augite, in gabbro of Western Is., xli. 



378. 

 Diallage-rocks in Asia Minor, i. 333 et 



seqq. 

 Diallage-serpentine in Tuscany, xvi. 480. 

 Diamonds, *algae encl.in, xxv. (Part 2) 18 ; 



mode of occurr. in S. Africa, xxx. 54-60 



figs. 

 Diamond-bearing rocks in Central India, 



xi. 355 ; in S. Africa, xxvii. 50, 51, 72, 



xxx. 406-416; gravels of Yaal River, 



xxviii. 3-21 figs. & pi. i (map). 

 Diamond-mines nr. Nagpur, x. 470 ; -fields 



of Bingera & Mudgee (N.S.W.), xxxi. 



489-492; of S. Africa, xxviii. 21-27, 



xxxiii. 879-881 & sections facg. 879; 



the same in 1880, xxxvii. 609-612, xxxix. 



Proc. 5. 

 Diamondia (Vaal River), diamond-gravels 



of, xxviii. 8 & section facg. 6 ; rock- 



specim. descr., xxviii. 19. 

 Dianchora bicornis (?), sp. nov., vi. 183 



pi. xxvi. 



(?) guttata, sp. nov., x. 197 & pi. vi. 



Diaperidhtm Jlithrax, sp. nov., x. pi. xv. 

 Diarbekr (Asia Minor), i. 332. 

 Diastopora , def. & limit, of genus, xxxvii. 



388 ; gen. char., etc. of, xlvi. 474 ; so- 

 called, 1. 83 & pi. v. 

 brendolensis, sp. nov., xlviii. 155 & 



pi. iii. 



consimilis, xxxviii. 58. 



cricopora, sp. nov., xxxvii. 387 & 



pi. xix. 



diluviana, xl. 787. 



fcecunda, xlvi. 476. 



hunstantonensis, sp. nov., xlvi. 475 & 



pi. xix. ; var. A, xlvi. 475 & pi. xix. 



Jessoni, sp. nov., xlvi. 478 & pi. xix. 



Lamourouxi, xl. 789. 



microstoma, xl. 788 ; var. connectens, 



nov., xl. 789. 

 oolitica, sp. nov., xxxvii. 386 & 



pi. xix. 



papillosa (?), xlvi. 477. 



patina, xl. 689. 



Diastopora radians (?), var. (?), xlvi. 477. 



regularis, xlvi. 476. 



sarniensis, var. perangusta, nov., 



xliii. 342. 

 stomatoporides, sp. nov., xxxvii. 384 



& pi. xix. 

 suborbicularis, xl. 689, xliii. 342, 



xlviii. 154. 



tenuis, xlviii. 154. 



ventrieosa, sp. nov., xxxvii. 385 & 



pi. xix. 

 Diastoporidse, review of family for purpose 



of classif., xxxvi. 356-361 & pi. xiii. ; 



further notes on, xxxvii. 381-390 & 



pi. xix. ; fr. Wenlock Limest., xxxvii. 



Proc. 239. 

 Diatomacese in post-Tert. deposits at Drigg 



& St. Bees, xxxvii. 34, 35 ; in Bagshot 



Beds, xliii. 381. 

 Diatomaceous dust fallg. on vessels in 



Atlantic, ii. 26-30; deposits of Taranaki 



& Waihora, vi. 332 ; do. nr. Ulverston, 



xviii. 275, 276, xix. 19-31 figs. ; diat. 



orig. of flints disputed, xxxvi. 69, 70, 80. 

 Diaulax Carteriana, xxxi. 302. 

 Dibfy Mill (Bohemia), section to Krusna 



Hora, xxxvi. 594. 

 Dicellograptus anceps, zone of, xxxiv. 



316. 

 complanatus, zone of (Girvan suc- 

 cess.), xxxviii. 599. 

 moffatensis, xxxi. 654 & pis. xxxiv., 



xxxv. 

 Diceras arietinum, xi. 53, 54 figs. 

 Favri, sp. nov., vi. 183 & pis. xv. & 



xx. 

 Dice7'as-heds (Corallian) at Bettaincourt, 



etc., xxxvii. 519, 520 et seqq.; in Aube, 



xxxvii. 529 ; in Lr. Charente, xxxvii. 545 ; 



in Orne, xxxvii. 547. 

 Dichobune cervinum, molar tooth of, ii. 



420-421 figs. 

 ovina, sp. nov., xiii. 254-260 & pi. viii., 



xiv. p. lxxix ; ref. to Dacrytherium, 



xlviii. 1, 3. 



sp., its relat. to Tragulida, xxvi. 



pp. Ii, Iii. 



Dichocoenia tuberosa, sp. nov., xix. 432 & 



pi. xv. ; xx. 27. 

 Dichodon comp. w. Hyopotamus, iv. 107, 



108. 

 cuspidatus, gen. & sp. nov., iv. 36- 



42 & pi. iv., xiii. 190-196 & pi. iii. 

 Dichograpsus, gen. nov., xix. 136 et seqq. 



figs. ; gen. char, of, xxiv. 127. 



Logani, xxiv. 128. 



multiplex, sp. nov., xxiv. 129 & 



pi. vi. 



octobrachiatus, xxiv. 129 & pi. v. 



reticulaius, sp. nov., xxiv. 143 & 



pi. v. 

 Dichroite in Korean gneiss, xlvii. 190 



chem. anal. ; nodules in mica-schist, xi. 



174. 

 Dick, A., Anal, of Cleveland Iron Ore 



fr. Eston, xii. 357-358. 

 Dickinson, J., 'Jackstones' of Merthyr 



Tydfil, ii. 131-132 w. chem. anal. 

 12 



