640 



GENEKAL INDEX. 



Coral Rag, Mr. E. F. Tomes on Ma- 

 dreporaria from the, of the counties 

 of Wilts, Oxford, Cambridge, and 

 York 555. 



Corals of the Wenlock Shales, Mr. Gr. 

 R. Vine on the, Proc. 69. 



Coulan, Loch, section through, 145. 



Craig More, section through, 153. 



Craig-na-faolin, section at, 401. 



Crater oseris fungiformis, 560. 



Creep, action of, in valley-formation, 

 78. 



Cribrilina terminata, 436. 



tubulifera, 436. 



Cryptobranchus japonicus, hind limb 

 of, Proc. 58. 



Cryptocoenia microphylla, 179. 



Pratti, 179. 



tuberosa, 179. 



Crystalline schists of the Troad, 627. 



Cyafhophora Boiirgneti, 194. 



Cypricardia filoperta, 529. 



David, J. W. E., Esq., on the evidence 

 of glacial action in South Breck- 

 nockshire and East Glamorganshire, 

 39. 



Dawkins, Prof. W. Boyd, on the al- 

 leged existence of Ovibos moschatus 

 in the Eorest-bed, and on its range 

 in space and time, 575. 



Dean, Forest of, Mr. E. Wethered on 

 the Lower Carboniferous rocks of 

 the, 211. 



Dee, drifts of the basin of the, 99. 



, sections of drift-cliffs on the, 



99, 100. 



Denudation of Lower beds of Inferior 

 Oolite at Otley Hill and Hook Nor- 

 ton, 243. 



Dhuloch Beg, section up the cascade 

 from, 381. 



Dhuloch More,section from Loch Mao- 

 lack Corry to, 380. 



Diabase dykes, St. David's, 323. 



Diabases from St. David's, analyses 

 of, 303. 



Diamond-fields of South Africa, Proc. 



Diller, J. S., Esq., on the geology of 

 the Troad — a brief Summary of the 

 results derived from the Observa- 

 tions made in connexion with the 

 Assos (U.S.) Expedition. With an 

 Appendix by W. Topley, Esq., 627. 



Diluvium, action of, in blocking up 

 valleys, 80. 



Dimetian of St. David's, 267. 



Dimorpharcea, sp., 561. 



Dinosaur, Prof. Seeley on the dorsal 

 region of the vertebral column 



of a new (indicating a new 

 genus, Sphenospondylus), from the 

 Wealden of Brook, in the Isle of 

 Wight, 55. 



Dinosaurs, Prof. H. Gr. Seeley on the, 

 from the Maastricht beds, 246. 



Diorite, quartz-, of the Troad, 631. 



Dislocation of strata, as producing 

 lake-valleys, 74, 79. 



Dolomite, 362. 



Drift, river-cliffs of, 92. 



Drift-beds of the north-west of Eng- 

 land and North Wales, Mr. T. M. 

 Eeade on the, 83. 



Drifts of the basin of the river Mer- 

 sey, 81 ; in the neighbourhood of 

 Liverpool and on the Lancashire 

 side of the Mersey, 85 ; on the 

 Cheshire side of the Mersey basin, 

 92 ; of the basin of the river Dee, 

 99 ; of the basin of the Kibble, 102 ; 

 of the coast from Blackpool to St. 

 Bees, 106 ; of the north coast and 

 mountain-district of North Wales, 

 111. 



Druim-an-tenigh, structure of, 397. 



Drybrook, Mr. E. Wethered on sec- 

 tions of the Lower Carboniferous 

 rocks at, 211. 



■ , Old Red Conglomerate and Car- 

 boniferous rocks at, 211, 212. 



Durinish, section through, 153. 



Durness, granite of. 409. 



Dykes, diabase, of St. David's, 323. 



Elasticity of Japanese rocks, 139. 



Ely valley, near Cardiff, section of 

 boulder-clay and gravel in, 45 ; 

 section of boulder-clay and Hint- 

 bearing gravel in, 45. 



Emploca ovata, 542. 



Enallohelia clavata, 175. 



England, north-west of, and North 

 Wales, Mr. T. M. Reade on the 

 Drift-beds of the, 83. 



Eocene, Lower, Mr. J. S. Gardner on 

 the section of, between Reculvers 

 and Heme Bay, 197. 



Erosion, contemporaneous, accom- 

 panying Cambrian conglomerates, 

 Caer-fai, St. David's, 287. 



Erratics of South Brecknockshire and 

 East Glamorganshire, 41. 



Erriboll House, section above, 401. 



Excavation, Rev. A. Irving on the 

 supposed power of, possessed by 

 glaciers, 62. 



Excavation, glacial, as producing Al- 

 pine lakes, 73. 



Exogyra Bavidsoni, 495. 

 495. 



