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. 



