'40 



GENEKAL INDEX. 



[Nov. 1911, 



Cullis, 0. G., [exhibits microscope- 

 sects.], v ; elected Auditor, vi ; 

 Lyell Fund awarded to, 1. 



Culm of Exeter district, 393-413 & 

 pi. xxxii (map) ; Culm radiolarian 

 cherts regarded as a ' lagoon-phase,' 

 522-24. 



Cumberland & Westmorland, relat. 

 of Permian & Trias in, 103-105. 



Cwm Caethro (Montgomery), Wen- 

 lock Shales of, 436-37 map. 



' Cyathaxonia ' sp., 558-59. 



Cyathophyllum (!) 9, 379. 



murchisoni, 379-80 & pi. xxxi. 



0, small mut., 546. 



Cycles, bathymetrical, in Avonian of 

 Grower, 541 ; cycles of earth-move- 

 ment & deposition, Ixv-lxvi, lxvii- 

 lxxii ; examples of do., lxxiii-lxxv; 

 recurrence of type in do., lxxxiii- 

 lxxxiv ; variability & non-recurrence 

 in do., lxxxiv-lxxxvii. 



Cyclonema donaldi, sp. nov., 453 & 

 pi. xxxvi. 



Cyrenaica, contribs. to geol. of, 572- 

 680 figs. & pis. xlii-xlix. 



Cyrena semistriata, range of, 688. 



Cyrene district (Cyrenaica), traverse 

 fr. Derna to, 580-83 w. sect. ; do. 

 fr. Slonta through, 583-86 w. sect. ; 

 forams., &c. in limest. from, 656 ; 

 Cyrene Limestones, 583 et seqq., 

 593 et seqq., 600. 



Cyrtograptus lundgreni, zone of, in 

 Cautley district, 219 et seqq. 



— — murchisoni, zone of, in Cautley 

 district, 218 et seqq. 



rigidus, 234-35 figs. ; zone of, 



in Cautley district, 219 et seqq. 



Cyrtolites parvus, var. carinatus nov., 

 455 & pi. xxxvi. 



Cythere striate/punctata, 661. 



(?) wether elli, 661. 



Dakyns, J. R., obituary of, lix-lx. 

 Dale Grill (Ravenstonedale), Ludlow 



Beds of, 230. 

 Dalton, L. V., [exhibits worked flints 



fr. Campeche], xcviii. 

 Danian in Egypt, 119 et seqq., 129 et 



seqq., 144; its extension in E. 



Egypt, 124-29. 

 Daniel-Pidgeon Fund awarded to 



T. C. JNicholas, xcv ; list of re- 

 cipients of, xxxiii. 

 Dassies Hoek (Cape Colony), 716. 

 David, T. W. E., [on geol. results of 



Brit. Antarctic Expedn.], viii. 

 Davidis fauna, 296-97 ; see also 



Paradoxides Beds. 



Daviesiella (Gower Avonian), 561. 

 Dawson, C, 278 ; [exhibits specims.], 



xevi ; [on Wealden mammalia], 



280. 

 De Hoop Farm (Cape Colony), sect. 



through S. part of, 721. 

 De Wet Station (Cape Colony), 707, 



708. 

 Dedolomitization in Magn. Limest. 



of N. Durham, 312 et seqq. 

 Deeley, R. M., [exhibits illustrats. of 



structure of glacier-ice, &c], v. 

 Deltaic period in cycle of deposition, 



lxvii-lxviii. 

 Deposition, cycles of, lxv-lxvi, lxvii- 



lxxii ; examples of do., lxxiii-lxxv; 



recurrence of type in do., lxxxiii- 



lxxxiv ; variability & non-recurrence 



in do., lxxxiv-lxxxvii. 

 Derna (Cyrenaica), geol. of neigh- 

 bourhood, 578-80 w. sect. ; traverse 



fr. Cyrene to, 580-83 w. sect. ; sect. 



to Benghazi, pi. xlii ; foraminifera, 



&c. in rocks fr. district, 654-55 ; 



Derna Limestones, 579 et seqq., 593 



et seqq., 600. 

 Devonian succession in Cape Colony, 



702 ; see also Old Red Sandstone. 

 Dewey, H., 541 ; [on Culm of Devon, 



&c], 413-14. 

 Dewlish (Dorset), eoliths exhibited, 



iv. 

 Dew Stones (White Lias), 37 ; see also 



Sun Bed. 

 Dibley, G. E., [exhibits specims. of 



Conulus subrotundus), iv ; on the 



Teeth of Ptychodus & their Distri- 

 bution in the English Chalk, 263- 



76 & pis. xvii-xxii, 277. 

 Bibwwphyllum 9 & I), aff. ip, 557-58 



& pi. xl. 

 Dibunophyllum Zone at Burrington 



Combe, 344, 370-71; in Gower, 



litholog. chars, of, 489-94 fig., 498- 



99 & pis. xxxviii-xxxix, 504; faunal 



lists fr. do., 548-52. 

 Dicranograptus Shales, equivalents in 



N.E. Montgomeryshire, 419 et 



seqq. 

 Didymograptus extensus, vole, activity 



in zone of, 182. 

 Dimorphoceras (? discrepans) , 399- 



400. 

 Dionide sp. (?), (Trilobite - Dingle 



Shales), 450-51 & pi. xxxvi. 

 Diphyphyllid (Seminula Zone), 547. 

 Diphyphylktms^.{B\xvYmgtonGon\bQ), 



380 & pi. xxxi. 

 Biplograptus, see Amplexograptus. 

 Dipriodon valdensis, sp. nov., 278-80 



fig., 281. 



