GENERAL INDEX. 



Cutch, plant-bearing series of, 524. 

 Cwmgwynen phosphate-mine, section 



of strata at, 358. 

 Cyclonema elevata, 548. 

 Cyprina cyreniformis, 227. 



Damuda Valley, plant-bearing series 



of the, 520. 

 Davies, D. C, Esq., the phosphorite 



deposits of North Wales, 357. 

 Dawkins, Prof. W. Boyd, on the 

 mammalia found at Windy Knoll, 

 246. 

 Dawlish, section through, 352. 

 Dawson, GK M., Esq., on the superfi- 

 cial geology of the central region of 

 North America, 603. 

 Dead Sea, section across the basin of 



the, 11, 12. 

 Delabole, Camelford, roofing-slate 



from, 323. 

 Dendrograptus arbuscula, 663. 



diffusus, 664. 



divergens, 664. 



flexuosus, 662. 



perseidptus, 663. 



Bamsayi, 664. 



serpens, 665. 



Dendrophyllia epithecata, 677. 

 Dentalium Quenstedti, 226. 

 Derbyshire, Mr. R. Pennington on the 

 bone-caves in the neighbourhood of 

 Castleton, 238; Key. J. M. Mello 

 on some bone-caves in Creswell 

 Crags, 679. 

 Diagram showing the approximate 

 form of a flexible crust, horizontally 

 compressed, and resting on a liquid, 

 472. 

 Diamond-fields, Mr. A. Liversidge on 



the Bingera and Mudgee, 489. 

 Dicellograptus moffatensis, 654. 

 Dictyograptus cancellatus, 668. 



■ Homfrayi, 668. 



irregularis, 668. 



, sp., 669. 



Didymograptus affinis, 645. 



biftdus, 646. 



■ euodus, 645. 



■ extensios, 642. 



furcillatus, 649. 



indentus, 647. 



Murchisoni, 648. 



Nicholsoui, 644. 



pattdus, 644. 



pennatuhts, 643. 



sparsus, 643. 



Dinobolus? HicJcsii, 188. 



Dinosaur, figures of axis of a, 461, 



462. 

 ■ , Prof. Seeley on the axis of a, 



from the Wealden of Brook in the 

 Isle of Wight, 461. 



Dinosaur, Prof. Seeley on the maxillary 

 bone of a new, 439. 



Biplograptus dentatus, 656. 



foliaceus, 656. 



tricomis, 658. 



Diprotodon minor, working surface of 

 the premolar and four molars of, 

 317. 



Diprotodons, Mr. G-. Krefft on the 

 working of the molar teeth of the, 

 317. 



Discina elevata, 231. 



Dolcoath mine, Camborne, killas 

 from, 323. 



Dolerite, porphyritic, of Eycott Hill, 

 microscopic structure of the, 406. 



Donations to the Library and Museum, 

 lxxxix. 



Doratorhynchus validus, figure of ver- 

 tebra of, 467. 



, Prof. Seeley on, an Ornithosau- 



rian from the Purbeck limestone of 

 Langton, near Swanage, 465. 



Drift, mammaliferous, of Portland, 

 31. 



Drift-deposits, origin of the, in the 

 Eden Valley and Western York- 

 shire, 75 ; of Central North America, 

 formation of the, 620. 



Duncan, Prof. P. M., on some fossil 

 Alcyonaria from the Australian Ter- 

 tiary deposits, 673. 



, on some fossil Alcyonaria from 



the Tertiary deposits of New Zea- 

 land, 675. 



, on some fossil Corals from the 



Tasmanian Tertiary deposits, 677. 



Dunchideock, section from, to George 

 and Dragon, 352. 



Dyke, Quartz Felsite, of Armboth 



and Helvellyn, 585. 

 Dykes, Quartz Felsite, from the Esk- 

 dale granite, 580. 



Easdale, ice-scratches in, 153; origin 

 of the Lake-basin of, 160. 



Ecca conglomerate, 529. 



Eden Valley, Mr. J. Q-. Goodchild on 

 the glacial phenomena of the, and 

 the western part of the Yorkshire- 

 Dale district, 55 ; Mr. D. Mackin- 

 tosh on the boulders and drifts of 

 the, 692. 



Edinburgh, sections on the south side 

 of the Queen's Drive, 139. 



Efricld Trawscoed, microscopic struc- 

 ture of felstone of, 401. 



Elephas primigenius'in Creswell-Crag 

 cave, 690.1 



