Vol. 50.] 



GENERAL INDEX. 



"45 



Dignres (Norway), olivine-gabbro- 

 diabase, analysis, 19, 20. 



Dinton (Wilts), sections near,described, 

 56, 58, 59 ; sections along railway, 

 60. 



Diorite, auriferous, Proc. 9. 



Discorbina araucana, 721 ; D. Berthe- 



, loti, 720 ; D. B. var. Baconica, 720 ; 

 D. concinna, 720 ; D. obtusa, 720 ; 

 D. orbicularis, 719 ; D. parisiensis, 

 719; D. pileolus, 719; D. rosacea, 

 719 ; D. rugosa, 720 ; D. turbo, 719 ; 

 D. Vilardeboana, 721. 



Disthene-schists in Lepontine Alps, 

 2!I7 et seqq. 



Ditch Cliff (Derbyshire), 610. 



Dolerite-vein in Barnton picrite, 42; 

 dolerite of Corstorphine Hill, 42 ; 

 of Tapirapuam (Brazil), 100 ; al- 

 tered, of Brent Tor, 361 ; dolerite 

 associated with Dwyka Conglome- 

 rate, 555 ; Carboniferous dolerites 

 of Derbyshire, microscopical struc- 

 ture of, 603 & pis. xxiv.-xxv. 



Dolomite, suggested replacement by 

 silica, 381, 386, 564 ; occurrence in 

 South Africa, 561 & pi. xxiii. (sec- 

 tions). 



Dorking (Surrey), section on Horsham 

 Road described, 687- 



Dove Holes (Derbyshire), 610 ; tuff, 

 629. 



Drakensberg range (S.B. Africa), 548 ; 

 diagrammatic section of, & High 

 Veld plateau, 560 & pi. xxii. ; sec- 

 tion from Mont aux Sources to St. 

 Lucia Bay, pi. xxii. 



Draper, D., on Geology of S.E. Africa, 

 548 & pis. xxii. -xxiii. (sections) ; on 

 Occurrence of Dolomite in S. Africa, 

 561. 



Drift near Bathurst (N. S. W.), 116. 



Druim an Eidhne (Skye), relations of 

 gabbro and granophyres, 216 et 

 seqq. ; banded structure of Tertiary 

 gabbros, 646 & pis. xxvi.-xxviii. 



Dust (of snowdrift deposits), origin 

 & transportal, 477. 



Dwyka Conglomerate in S.E. Africa, 

 554, 559. 



Earth-movements hi the Cottians, 271 ; 



of Monte Chaberton, 308 ; at Wadi 



Haifa, etc., 546-547. 

 Eeca Beds in S.E. Africa, 554. 

 Edwards, D. T., on Boring on the 



Booysen Estate (Witwatersrand), 



Proc. 5. 

 Egge (Norway), analyses of camp- 



tonite from, 26, 27. 

 Egypt, stratigraphy and physiography 



of Libyan Desert, 531 & pi. xxi. 



(map). 

 Ehrenbergina pupa, 704 &pl. xxxiv. 

 'Elephant-rock' in Transvaal, 561, 



562. 

 Elephas primigenius (?), 198. 

 Ember Lane (Derbyshire), dolerite 



& tuff, 632. 

 Endsleigh Street Beds, position dis- 

 cussed, 452. 

 Eocene in Libyan Desert of Egypt, 



534. 

 Epidiorite, porphyritic, of Sourton 



Tors, 340 ; of Cock's Tor, 358 ; of 



W. Dartmoor, origin discussed, 365. 

 Equus caballus, 198. 

 Estheria Dawsoni, 437, 439. 

 Evans, J. W., on the Geology of Matto 



Grosso (Brazil), 85 & pi. viii. (map). 

 Exogyra Overwegi-series in Libyan 



Desert, 534, 535. 

 Eycott group in Carrock Fell district, 



313, 315, 331. 



Farafra Oasis (Libyan Desert), 535 



540. 

 Fellows elected, Proc. 1, 2, 3, 4, 5, 8, 



141, 142, 143, 144, 145, 147, 148 ; 



number of, Proc. 14 ; names read 



out, Proc. 148. 

 Felsites of Sourton Tors, 343 ; in 



N.W. Caernarvonshire, 579 et seqq. 

 Felsitic dyke in gabbro, Druim an 



Eidhne, 226. 

 Felspars in Derbyshire lavas, 622. 

 Financial report, Proc. 26. 

 Flint compared with Arkansas stone, 



378 et seqq. & pi. xix. 

 Fluxion-gneisses, 267. 

 Foraminifera of Lower Greensand, 



688 ; from Bargate Beds, 693 & 



pis. xxxiii. -xxxiv. 726 

 Foreign Correspondents elected, Proc. 



1, 4, 143, 147 ; list of, Proc. 20. 

 Foreign Members elected, Proc.\, 143, 



148 ; list of, Proc. 19. 

 Foresto di Susa (Italy), section to 



Gerrardo Valley, 248. 

 Foxes' bones, measurements of, 202. 

 Frondicidaria brizceformis, 709 & 



pi. xxxiv. 

 ' Fundamental rocks,' papers on, 



summarized, Proc. 93. 

 Furka Pass, section at summit, 295. 



Gabbro bosses in Western Isles (Scot- 

 land), 216 ; relations w. granophyre 

 in Skye, 216 et seqq. ; banded, ibid., 

 217& pi. xiii., 645 & pis. xxvi.-xxviii. ; 

 chemical analysis of same, 653 ; 

 coarse and massive variety, 649, 



