﻿Vol. 66.] 



GENERAL INDEX. 



695 



337-38 ; of Llansawel district geo- 

 logy, 403-404; of Kinta Valley 

 & Perak, 435-36 ; of Victorian 

 dacites, 451 ; of recumbent folds, 

 &c. in Highland schists, 617-18 ; of 

 pillow-lava, 632-33 ; of denuda- 

 tion of W. end of Weald, 691-92. 



Bigsby medallists, list of, xxxii. 



Biotite, pseudomorphic, in Dan- 

 denong dacites, 458, 459 & pi. 

 xxxiii (microscop. sect.) ; corroded 

 phenocrysts ibid., 458. 



Birkhill G-roup, equivalents in Llan- 

 sawel district, 402 et segq. 



Black Band Series, see Dolgelly 

 Series. 



Black Rock Beach (Carnarvonshire), 

 sect, to Gelli, pi. xvi. 



Black Slates, metamorphic, of Skid- 

 daw district, 126-28 fig. 



Blackwater Br., & its relats. to 

 Wealden planation, 661-72 w. 

 maps. 



Blende (& galena) enveloping chalco- 

 pyrite, 316 fig. ; blende enclosed in 

 galena, 317 fig. 



' Blue ground ' in Rhodesia, 372 et 

 segq. 



Bosworth, T. 0., Metamorphism 

 around the Boss of Mull Granite, 

 376-96 figs., 400-401. 



Boulder Clay in Ynyscynhaiarn dis- 

 trict, 183. 



Boyle, R., award fr. Daniel Pidgeon 

 Fund to, lxxxix. 



Bradfordia, gen. nov., 93. 



costata, sp. nov., 94 & pis. x-xi. 



etheridgii, 95. 



inclusa, sp. nov.. 94-95 & pi. ix. 



liomphala, sp. nov.. 94 & pi. x. 



Bradley, F. L., Ill ; [exhibits Mega- 

 losaurus skull], vi. 



Breccias in Ordovic. of Glensaul dis- 

 trict, 257 et segq., 261 fig., 262 

 et segg. 



Bredyia, gen. nov., substituted for 

 Burtonia, xciv ; definition of, 97-98 

 fig. 



crassornata, sp. nov., 98-99 & 



pis. ix-x. 



Bridport Sands, 58 et seqq., 109. 



Brindsley claypit (Notts), Palceoxyris, 

 &c. from, 330 et seqq. 



Britain, Great, problems of ore-depo- 

 sition in lead & zinc veins of, 299- 

 328 figs. 



British Is., metallogeny of the, 281-98 

 figs. & pi. xxiii (map). 



Broad Windsor (Dorset), 75. 



Broken Hill (N.S.W.), rare minerals 

 exhibited, vii. 



Bkoom, R., aAvard fr. Lyell Geolo- 

 gical Fund to, xlvii. 



Buckman, S. S., on certain Jurassic 

 (Lias-Oolite) strata of South Dorset, 

 & their Correlation, 52-89 figs. ; on 

 certain Jurassic (' Inferior Oolite ') 

 Species of Ammonites & Brachio- 

 poda, 90-108 figs. & pis. ix-xii ; 

 [rectification of generic names, 

 &c], xciv. 



Buildings destroyed by eruption of 

 Matavanu, 633-34 & pi. xlix. 



Bulimina boivini, 242. 



Bunessan (Mull), 379 et seqq. 



Burnsall (Yorks), Carb. Limest. expo- 

 sures, 563. 



Burton Bradstock (Dorset), sects, at 

 & near, descr. & fig., 65-74. 



Burtonia, see Bredyia. 



Bury, H., the Denudation of the 

 Western End of the Weald, 640- 

 92 figs. 



Butterhaw Knoll (Carb. Limest.), 

 553. 



Bwlch Cefn Sarth (Carmarthenshire), 

 402, 408. 



Caio Group ( = Lr. Birkhill), 405 et 

 seqq., 407-409. 



Calc-silicate hornfels (metamorph. 

 Ballachulish Limest.), 598, 603, 

 605, 608, 609-10 fig. 



Caldew valley (Cumberland), Skiddaw 

 Granite, &c. in, 117-18, 135-36. 



Caledonian metallogeuetic epoch in 

 British area, 283, 284-297, 298. 



Calmy Limestone (Carb.), 530; no. of 

 Zaphrentids from, 535. 



Cambrian trilobites fr. Comley, 19- 

 51 fig. & pis. iii-viii ; see also 

 Tremadoc Slates, $c. 



Camerella cf. euneatella, 278. 



Camptonites, Coloradan, chem. anals. 

 & norms of, 483 ; camptonite oc- 

 currences, general relats. of, 484. 



Caninia cylindrica, specims. exhi- 

 bited, xci. 



gigantea, 567 & pi. xxxix. 



- — — hettonensis, sp. nov., 567-68 & 

 pi. xxxix. 



cf. subibicina, 568 & pi. xxxix. 



Caradoc Series in Ynyscynhaiarn 

 district, 147 et seqq. 



Carbonaceous rocks of Kinta Valley, 

 440 & pis. xxx-xxxi (microscop. 

 sects.). 



Carboniferous (?) age of Kinta 

 limests., 437 ; (Lr.) times, evolu- 

 tion of Zaphrentis delanouei in, 

 523-38 & pis. xxxvi-xxxvii ; Carb. 



