GENERAL INDEX. 
Deddick, 12. 
Dee, valley of the, position of boul- 
ders in drift along, 449. 
Delamere Hills, Cumberland boulders 
on the, 441. 
-——and Peckforton Hills, Kirkeud- 
brightshire boulder-dispersion over, 
435. 
Delegete Hill, sketch section from, to 
Snowy Bluff, 12. 
Delphinus, sp., from Malta, 525. 
Denbigh Flags, Upper, list of fossils 
from, of Moel Fodia, Denbigh, 694. 
Dent, mica-trap dykes near, 176. 
Derwen, section through, 697. 
Devonian, annelid-jaws from the, of 
Canada, 370. 
Conodonts, Mr. G. J. Hinde on 
the, of Canada and the United 
States, 351. 
, Middle, of North Gippsland, 
23; Upper, of North Gippsland, 
25 
rocks of La Manche, 264. 
of North Gippsland, 20. 
Stromatoporide, Mr, A. Cham- 
pernowne on some, from Darting- 
ton, near Totnes, 67. 
Devonshire, Prof. P. M. Duncan on 
the Upper Greensand coral fauna 
of Haldon, 89. 
Diabase rock, weathered and un- 
weathered, analyses of, 586. 
Dictyostroma, definition of, 56. 
Dimetian, Arvonian, and Pebidian 
rocks in Caernarvonshire and An- 
glesey, 295. 
Dinas, section through, 697. 
Dingle Bay, section from, to Brandon 
Head, 704. 
beds, Prof. EH. Hull on the geo- 
logical age of the, 699. 
, &e., relations of the Old 
Red Sandstone to the, 719. 
Promontory, section in, 702. 
, section along the western 
coast of, 702. 
, section across the, from 
Brandon Head to Minard Head, 
704. 
Dinorwig beds, 686. 
Dinosaur, Mr. J. W. Hulke on Vec- 
tisaurus valdensis, a new Wealden, 
421. 
, note on the axis of a, from the 
Cambridge Greensand, 594. 
Dinosauria of the Cambridge Green- 
sand, Prof. H. G. Seeley on the, 591. 
Diodon, fossil, of Malta, 529. 
Diorite containing augite and olivine, 
639 
821 
Diorite intrusive in Carboniferous 
shales in railway-cutting near Cuil- 
vers Coton, 637. 
Diorites, Mr. S. Allport on the, of the 
Warwickshire coal-field, 637. 
——, Warwickshire, microscopic 
structure of, 638. 
Distacodus ineurvus, 357. 
Dithyrocaris, Mr. &. Etheridge, jun., 
on the occurrence of the genus, in 
the Lower Carboniferous or Calci- 
ferous Sandstone series of Scotland, 
and on that of a second species of 
Anthrapalemon in these beds, 464. 
—— testudineus, 465. 
—— tricornis, 466. 
——, sp. ind., 465, 466, 467. 
Docker Fell, mica-trap dykes at, 173. 
—— Garth, mica-trap dyke on 
railway west of, 172. 
Dolgelly and Ffestiniog, Pre-Cam- 
brian rocks near, 304. 
Dolomitic conglomerate, footprints 
in, of Newton Nottage, Glamorgan- 
shire, 512. 
Doulting, section in quarry at, 739, 
740. 
Doyle, P., Esq., on some tin-deposits 
of the Malayan peninsula, 229. 
Dreissena acuta, 82. 
Drepanodus arcwatus, 357. 
Dritt-beds at Kilmaurs, section of, 
140. 
Drift-deposits, position of boulders 
relatively to the matrix of, 449. 
Drumagowlan House, section at, 710. 
Dulverton Station to Dunster, geolo- 
gical traverse from, 533. 
Duncan, Prof. P. M., on the Upper 
Greensand coral fauna of Haldon, 
Devonshire, 89. 
Dunquin, section through, 702. 
Dunster, traverse from, to the Fore- 
land, 537. 
——, geological traverse from Dul- 
verton Station to, 533. 
Dyke, mica-trap, near Windermere 
Station, 168; at Barley Bridge, 
Staveley, 169; Gill Bank, near 
Staveley, 169; Stile-end Farm, 
between Kentmere and Long Sled- 
dale, 170; in Kendal Road, 171; 
west of Docker Garth, 172; south 
of Haygarth, Docker Fell, 173; in 
river Lune, 8.W. of Sedbergh, 174 ; 
in Uldale Head, 175; in Holbeck 
Gill, 175; in Helm Gill, near Dent, 
176; in Helm Gill, near Sedbergh, 
176; in Cross Haw Beck, 177; in 
Westerdale, 177, 178. 
Dyris gracilis, 86, 
