GENERAL INDEX. 



949 



Todbere, corallian rocks of, 279. 



Topley, W. Esq., and G. A. Lebour, 

 Esq., on the intrusive character of 

 the Whin Sill of Northumberland, 

 406. 



Torsukatak, fjord of, 142, 147; rate 

 of motion of the glacier of, 150. 



Tortoise, from the caves of Gibraltar, 

 188. 



Tortoises, Prof. A. Leith Adams on 

 gigantic land, and on a small fresh- 

 water species from the ossiferous 

 caverns of Malta, 177. 



Transvaal, Mr. E. J. Dunn on the 

 gold-fields and cobalt-mines in the, 

 879 ; section of cobalt-mine in, 879. 



Trap dykes of the Lizard district, 910, 

 913. 



Trap vein, intersecting gabbro, 907. 



Traquair, Dr. R. H., on the Agassizian 

 genera Amblypterus, Palceoniscus, 

 Gyrolepis, and Pygopterus, 548. 



Trigonia-beds of Weymouth, 266. 



Trochocyathus angulatus, 503. 



Trochus aytonensis, 395. 



cancellatus, 498. 



Trowse, section across the Yare vallev 

 at, 83. 



Tuck's- Wood Farm, section at, 86. 



Tunstall, Permians of, 18. 



Turbo Pictetianus, 497. 



Turrilites Wiestii, 492. 



? Emericianus, 493. 



nobilis, 493. 



Tyrone coalfield, 624. 



, section through the, 618. 



Urnanak, 143, 144. 



Island, 158. 



Unconformity between the lower and 

 middle glacial deposits in East 

 Anglia, 78. 



Unfossiliferous sands of the Red Crag, 

 74. 



Unicardium plenum, 396. 



Upernivik Island, 143, 144. 



Upper boulder-clay and middle sand, 

 line of demarcation between, 735. 



Carboniferous strata of Shrop- 

 shire and Denbighshire, Mr. D. C. 

 Davies on the relation of the, to 

 beds usually described as Permian, 

 10. 



Up ware, corallian limestones of, 313. 



, presumed section near, 315. 



Ural, Permians of the, 15. 



Vellan Head, serpentine of, 890. 

 Vertebral column, divisions of the, in 



Plesiosaurs, 545. 

 Vertebrata, fossil, Seiior S. Calderon 



Q.J.G. S. No. 132. 



on the, hitherto discovered in Spain, 



124. 

 Volcanic agglomerates and ashes, 458. 

 cones, Mr. R. Mallet on a hitherto 



unnoticed circumstance affecting the 



piling-up of, 740. 



Waldringfield Church, section in a co- 

 prolite pit l^mile north-west of, 75. 



Wales, North, Prof. T. M'Kenny 

 Hughes on the Silurian Grits of 

 Corwen, 207. 



, , Mr. J. A. Phillips on the 



chemical and mineralogical changes 

 which have taken place in certain 

 eruptive rocks of, 423. 

 -, South, coal-basin of, 632. 



Walsall, Permians of, 22. 

 Walsingham valley, section across the, 



89. 

 Ward's Hill, sketch section through, 



413. 

 Warwickshire, Permians of, 22. 



coal-field, 631. 



Wave, wind-, breaking on a shelving 



beach, 35. 

 Waveney valley, section across the, 



near the sea, 97 ; section across the, 



near Harleston, 98; hypothetical 



section, showing general structure of, 



100. 

 Wellington, map of the neighbourhood 



of, 654. 

 Wensum, sections across the valley of 



the, 87. 

 and Yare, section across the val- 

 leys of the, 85. 

 Westbrook, coral rag of, 288. 

 Westbury, diagram section from, to 



Wheatley, 312. 



ironstone, 284. 



Westphalia, Carboniferous of, 638. 

 Wexford, Mr. G. H. Kinahan on Ca- 



hore shingle beach, 29. 

 Weymouth district, corallian rocks of 



the, 262. 

 Wheatley, corallian of, 311. 

 , diagram section from Westbury 



to, 312. 

 Whin Sill, Messrs. Topley and Lebour 



on the intrusive character of the, of 



Northumberland, 406. 

 , section across both branches of 



the, near Great Barrington, 413. 

 Whitaker, W. Esq,, on the Red Crag, 



122. 

 White Hill, 770. 

 Whittle Hills, 757. 

 Whitwick, 779. 

 Wilson, E., Esq., on a new exposure of 



Rhsetics near Nottingham, Proc. i. 

 3d 



