GENERAL INDEX. 939 De Beer's mine, section of dolerite in, 879. Deben, section from the valley of the Orwell to that of a tributary of the, 104 ; section across one side of the valley of the, 105. Decapod, Mr. R. Etheridge, Jun., on the occurrence of aMacrurous,inthe Red Sandstone, or lowest group, of the Carboniferous formation in the south-east of Scotland, 863. Dee, Mr. D. Mackintosh, on new sec- tions round the estuary of the, 730. Denbighshire and Flintshire coal-dis- trict, 628. and Shropshire, Mr. D. C. Davies on the Upper Carboniferous strata of, 10. Derbyshire, the ossiferous deposit at Windy Knoll, Castleton, 724. coal-district, 627. Devil's Frying-pan, serpentine of, 898. Devi trifled pitch stones and perlites, ancient, from the Lower-Silurian district of Shropshire, 449. Diallage, alteration of, 912. ■ of newer gabbro of the Lizard, analysis of, 927. Diamond-fields of South Africa, 879. Dictyopyge, 565. Dimetian and Pebidian (Pre-Cam- brian) rocks of St. David's, Mr. H. Hicks on the, 229. Diorite dyke, section of, with quartz veins, 879. Diploxylon, Dr. J. W. Dawson on a specimen of, from the coal-forma- tion of Nova Scotia, 836. Disko Island, 142, 143. Dolerite, tilted, section of, 879. Donation from C. J. Lambert, Esq., Proc. 92. Dorset, North, Corallian rocks of, 275. • , Somerset, and Gloucester, Mr. J. Buekman on the Cephalopoda- beds of, 1 Dorsetshire, Mr. G. H. Kinahan on the Chesil Reach, 29. Driftage of sea-beaches, 32. Drumglas Colliery, section through, 618. Duftou, section of the Coniston Lime- stone at Keisley, near, 465. shales, 462. Dumbartonshire, Devonian plant-re- mains from, 222. Duncan, Prof. P. Martin (President), Address on presenting the Wollas- ton Gold Medal to Robert Mallet, Esq., Proc. 31 ; Address on present- ing the balance of the Wollaston Donation Fund to R. Etheridge, Esq., Jun., 34 ; Address on handing the Murchison Medal to Warington W. Smyth, Esq., for transmission to the Rev. W. B. Clarke, 35 ; Address on presenting the balance of the Murchison Geological Fund to the Rev. J. F. Blake, 37; Address on handing the Lyell Medal to Prof. Ramsay for transmission to Dr. James Hector, 38 ; Address on hand- ing the balance of the Lyell Fund to the Rev. Thomas Wiltshire for transmission to William Pengelly, Esq., 39 ; Address on handing the Bigsby Medal to J. W. Hulke, Esq., for transmission to Prof. O.C Marsh, 40. Anniversary Address, February 16,1877: ObituaryNotices of Deceased Fellows : — Mr. David Forbes, 41 ; Mr. E. Billings, 48; M. Adolphe T. Brongniart, 50; Mr. C. F. H. Credner, For. Corr., 52 ; Mr. T. H. Wyndham, 55 ; Prof. C. G. Ehren- berg, For. Memb., 56 ; Dr. H. C. Barlow, 60 ; Baron W. Sartorius von Waltershausen, For. Memb., 62. Address on the present condition and probable future course of geolo- gical study, 64-88. Duncan, Prof. P. Martin, on the Echi- nodermata of the Australian Caino- zoic (Tertiary) deposits, 42. Dungannon, section through, 618. coal-field, 624. Dunn, E. J., Esq., on the diamond- fields of South Africa, with obser- vations on the gold-fields and cobalt- mines in the Transvaal, 879. Durham, Permians of, 23. Dykes, trap, of the Lizard district, 910,
- 913.
East Anglia, Mr. S. V. Wood, Jun., and F. W. Harmer on the later Tertiary geology of, 74. Echinanthus test udinar ins, 46, 65. Echinarachinus parma, 65. Echinobrissus cacstralics, 50, 66. Echinodermata, Australian recent and Tertiary genera of, 62 ; Australian, specific alliances of, 63. , list of, from the Australian Cai- nozoic deposits, 44. -, Prof. P. Martin Duncan on the, of the Australian Cainozoic deposits, 42. Echinolampas ovulum, 66. Eden, Cumberland, Permians of, 16. Eersteling gold-field, 881. Egedesminde, 142.