638 



GENERAL IXDEX. 



[vol. lxxix, 



Arietites, in the Shales-with-' Beef ', 



74-76. 



pseudobonnardi nom. nov., 76. 



Ariophanta sp. (Ceylon), 583. 

 Arnage district (Aberdeenshire), 



petrology of, 446-86 figs. 

 Arnioceras in the Shales-with-' Beef ', 



68-71. 

 Arthrostigma, xcv. 



Ashceoft, F. N., elected Auditor, v. 

 Ashdon (Essex) meteorite exhibited, 



cxi. 

 Ashes & breccias of Llanwrtyd, 18, 



21-23, 33-34, 39-41. 

 Ashgillian of S.W. Berwyn Hills, 



490, 494-98. 

 Assets, statement of, xliii. 

 Astarte (Opis?) inorgani sp. nov., 



280-81 & pi. xiii. 



cf. scytalis, 280 & pi. xiii. 



cf. soiverbyana, 280 & pi. xiii.- 



tpitiensis, 279-80 & pi. xiii. 



Asteroxylon, xc, xciv. 



Astronomy, borderland of geology 



and, ii-iii. 

 Aucella (?) marshalli sp. nov., 269-70 



& pi. xiv. 



plicata, 266 & pi. xvii. 



■ spitiens'is cf. 'forma typica', 



267-69 & pi. xiv. 

 cf. var. extensa, 267 & 



pi. xiv. 

 Auditors elected, v. 

 Aulacosphinctoid.es broivnei, 29S-99 



& pi. xviii. 

 — — marshalli nom. nov., 299. 



■ uhligi nom. nov., 299. 



sp. indet., 299-300 & pi. xvii. 



Bailey, E. B., 423, 444; Bigsby 

 Medal awarded to, 1-li. 



Bakee, H. A., 313 : on Geological 

 Investigations in the Falkland 

 Islands [title only'], iv. 



Bala district, rocks correl. w. succes- 

 sion in S.W. Berwyns, 502 ; do. 

 correl. w. succession in Corris 

 district, 539-40 ; Bala Series in 

 Corris-Aberllefenni area, 512, 515- 

 25 fig. 



Balance-sheet for 1922, xxxviii-xxxix. 



Baltic amber, mosquitoes in, 141. 



Bangor Volcanic Series, mica-schist 

 in agglomerate, 334-35 fig. 



BannR. (Ireland), glaciation of lower 

 valley, 383-91 w. map. 



Barlow-Jameson Fund, list of re- 

 cipients, xxxv. 



Ban-aba Mudstones (Devonian), 157, 

 161. 



Baekow, G., 442-43. 



Barrowell Green (Lea Valley), late- 

 Glacial stage at, 603-605. 



Baetbum, J. A., 253, 264. 



Barytes in the Shales-with-' Beef ', 

 88-89 fig. 



Basslee, B, S., 139. 



Bathee, F. A., 98, 139, 154, 312. 



Beale, Sir William P., obituary of, 

 lxii. 



' Beef ', defined, 52-53 ; microscopic 

 structure & origin of, 89-95 figs. 



Belemnites (Belemnopsis) spp. fr. 

 Jurassic of New Zealand, 259-61 

 & pi. xvi. 



Belfast Valley (Ireland), glaciation of, 

 374-75 ; glaciation of area betw. 

 Slieve Gallion and, 375-83 w. map. 



Bell, B.. 421. 



Ben Eagach Schist, 424 et seqq. 



Ben Lawers Schist & Ben Ledi Grits, 

 424 et seqq. 



Benson, W. N"., award fr. Lyell 

 Fund to, liii; (& S. Smith), on 

 some Rugose Corals from the 

 Burin di Series (Lower Carboni- 

 ferous) of New South Wales ; 

 together with a Short Account of 

 the Upper Pakeozoic Bocks of the 

 Area in which they were collected, 

 156-70 figs. & pis. viii-ix. 



Berwyn Hills (N. Wales), Upper 

 Ordovician of, 487-507 figs. & 

 pi. xxvi, 541 et seqq. 



Bibliography of South- Sea phos- 

 phates, 2-3 ; of Cretaceous Bep- 

 tilia, 113-16; of Stratiotes, 133-36 : 

 of Glossopteris Flora, 331-33; of 

 S.W. Berwyn Hills, 489 ; of Corris- 

 Aberllefenni area, 509-11 ; of 

 Miocene fauna of Ceylon, 600-601. 



Bigsby Medallists, list of, xxxiv ; 

 B. Medal awarded to E. B. Bailey. 

 1-li. 



Biotite in St. Austell granite, 557, 

 563. 



Biotite-muscoTite-granite (Cornwall ), 

 559, 566. 



Biotite- schist in Ellon Series, 478. 



Bison minor (?), at Clacton-on-Sea, 

 615. 



Bithynia tentaculata, 632. 



Blaen-y-cwm Valley (Berwyn Hills), 

 495 et seqq. w. map. 



' Bogen-struktur ', 35-36. 



Bolt Head (Devon), mica-schists of, 

 175, 179, 180. 



Booth, W. H., obituary of, lxiv. 



Bos primigenius, at Clacton-on-Sea, 

 615. 



