﻿Vol. 6 1.] 



GENERAL INDEX. 



723 



Double earthquakes differentiated 

 fr. twin-enrthquakes, 18; double 

 shocks in Leicester earth quakes of 

 1893 & 1904, 2, 4-5; in Derby 

 earthquake of 1904, 11, 12; double 

 slip originating Leicester earth- 

 quakes, 7. 



Draycott Colliery (Cheadle), marine 

 band at, 511. 



Drei Zinnen area (Tyrol), chein. 

 anals. of dolomites from, 108 ; origin 

 of do., 113; mineral, structure of 

 do., 122. 



Druridge (Northumberland) pre-Gla- 

 cial valley, 85-86 & map. 



Dungu (Congo Free State), rocks 

 from, 660. 



Dunn, E. J.,Murchison Medalawarded 

 to, xl-xli. 



Durdham Downs (Somerset), Carb. 

 Limest. at, 233-34. 



Durham Coal-Measures, bibliogi-aphy 

 of marine bands in, 527; list of 

 marine fossils from, 543-44; Dur- 

 ham (& Northumberland) coalfield, 

 superficial deposits & pre-Glacial 

 valleys of, 64-96 & pi. ix (map). 



Diirrenstein area (Tyrol), chein. anals. 

 of dolomites from, 107 ; origin of 

 do., 113; mineral, structure of do., 

 122. 



Dvvyka Conglomerate in Transvaal, 

 679-89 figs. 



Earth-movements, variation in nature 

 of, lxix-lxx ; (post-Carboniferous), 

 in Glamorgan, &c, 411-13, 414, 

 415, 421 ; in Arenig district, 632 et 

 seqq. 



Earthquakes in Derbyshire on Julv 

 3rd, 1904, 8-17 fig. & pi. ii (map)"; 

 in Leicestershire in Aug. 1893 & 

 June 1904, 1-7 fig. & pi. i (map); 

 twin-earthquakes, 1 8-34 figs. 



Echinocorys-Chalk of Nile Valley, 668, 

 669, 674, 675. 



Echinoderm -spines in Tyrolese dolo- 

 mites, 115, 125; echinoderms & 

 rock-building, lxxxvii. 



Eddy-marks (?) in nmdstones, 685. 



Edfu (Nile Valley), sect, descr., 671- 

 72. 



El Atwani, see Edfu. 



El Kab (Nile Valley), 672-73. 



Election of Fellows, i, ii, iii, iv, vii, 

 lxxxvii, xc. xci, xciii; of For. 

 Corresp., iv, xciii. 



Elephas antiquus, 55, 59 & pi. vii. 



-— — meridionalis at Dewlish, 35-38 & 

 pis. iii— iv. 



Elsden, J. V., on the Igneous Kocks 



occurring between St. David's Head 



& Strumble Head (Pembrokeshire), 



579-607 figs. & pis. xxxviii-xl 



(microscop. sects.). 

 Enstatite, format, of serpentines from, 



694-96, 712-13. 

 Enstatite-diabase of Strumble-Head 



district, 582, 583-84; fr. Portheiddy 



Common, &c, 591-92; of Ynys-y- 



Castell, 593-94 ; of Tressaysilt, 594 



& pi. xxxix. 

 Enstatite - diorite of St. David's - 



Head district, 585 et seqq. & pi. 



xxxix. 

 Eocene (& Cretaceous) of Nile Valley, 



667-78 w. map & sect. ; Eoc. fossils 



fr. Somaliland, 155-80 w. map & 



pis. xvii-xxi. 

 Eoliths, so-called, 38. 

 Ephippioceras coslatum, 541. 

 Epicentres of Leicester earthquakes 



of 1893 & 1904, 2 et seqq.; of 



Derby earthquakes of 1903 & 1904, 



10, 12; of twin-earthquakes, 28- 



31. 

 Epidote in igneous rocks of N. Pem- 

 brokeshire, 602. 

 Erithacus rubecula '! (at Longcliffe), 



56. 

 Erosion, contemporaneous, of Lias, 



450 fig., 452. 

 Erwent Limestone of Arenig, 620- 



21. 

 Eskdaleside (Yorks), Lias, &c. of, 



454. 

 Eskers in Northumberland, 68. 

 Esna-Aswan reach of Nile Valley, 



Eocene & Cretaceous in, 667-78 w. 



map & sect. 

 Esna Shales, 675, 676. 

 Estheria-Bed at Goldcliff, &c, 376 et 



seqq. 

 Estimates for 1905, xxxii-xxxiii. 

 Estuarine (Upper), of Lincolnshire, 



&c, 440 ; Estuarine of N.E. Yorks, 



441, 447-48 et seqq. 

 Etruria-Marl Group & its flora, 310 



et seqq. 

 Eumetria spp., 301-302. 

 Euphemus of. Urei, 538 & pi. xxxvi. 

 Europe, Intermit. Geol. Congress map 



of, xciv. 

 Ewspira cf. scalar if or mis, 1(54 & pi. 



xix. 



cf. hybrida. 164-65 & pi. xix. 



Evolution convolution in cephalopoda, 



142-43 et seqq. 

 Excentricity of isoseismals in twin* 



earthquakes, 24-25 fig. 

 Extmsus-Jflstgs of Arenig, 619. 



