IKDEX. 



705 



by Mr, Greenoiigh on the pheno- 

 mena i^resented by, 165. 



Tertiary deposits, notice of, in Cutch, 

 526; near Lixouri, 545; in Murcia, 

 80; near Porto d'Anzio, 577; in 

 Southern India, 581 ; south-east of 

 Devonshire, 584 ; Zante, 572 ; ac- 

 count of, in Southern Tndia, 581. 



Tertiary freshwater formation at Cer- 

 dagne, described, 21. 



Tertiary and cretaceous strata, account 

 of, in Moen and Seeland, 191. 



Thanks, votes of, to the retiring Officers 

 and Members of Council, 1834, 40; 

 1835, 143; 1836, 355; 1837, 477; 

 1838, 622. 



Thecodontosaurus, notice of, 398. 



Thermal spring, notice of, at Mallow, 

 76 ; at tlie base of the Rocky Moun- 

 tains, 105; at Torre del Annunciata, 

 177, 178; in Campania, 178; in 

 Southern India, 583. 



Thorp, notice of a tooth of a Mastodon 

 from the crag of, 417. 



Thracian Bosphorus, on the geology of 

 the, 437. 



Thun, lake, notice of the delta formed 

 in, by the Kander, 76. 



Tilgate Forest, fossil birds' bones from, 

 described, 203. 



Titterstone Clee Hills, account of the 

 trap rocks of, 91. 



Torr Eskert, on syenite veins in mica 

 slate and chalk at, 223. 



Torre del Annunciata, on the volca- 

 nic strata and thermal spring near, 

 177. 



Totana, notice of the tertiary deposit 

 of, 81. 



Toxodon Plalensis, description of, 541. 



Transactions and Memoirs, list of, in 

 the Library, Feb. 1835, 126. 



Transition rocks, structure and classi- 

 fication of, in Shropshire, &c., 1 3. 



Transition systems, subdivisions of, in 

 the south-east of Devonshire, 586. 



Trap dykes, notice of, in the new red 

 sandstone at Acton Reynolds, 1 94 ; 

 in the Penrhyn slate quarries, 449. 



Trap rocks, notice of, in Shropshire, 

 85, 91 ; Montgomeryshire, 85 ; Rad- 

 norshire, 88 ; Brecknockshire, 90 ; 

 Caermarthenshire, 90; conclusions 

 respecting, 92; notice of, in Devon- 

 shire, 102; in the south-east of De- 

 vonshire, 587 ; in Pembrokeshire, 

 229; the Dudley coal-field, 412. 



Trap rocks, on the., associated with the 

 new red sandstone of Devonshire, 

 196. 



Travertine, description of large masses 



near Tenbury, 78. 

 Trevelyan (W. C, Esq.), on recent 



elevations in Guernsey, Jersey, and 

 Jutland, and on tertiary beds near 

 Porto d'Anzio, 577. 



Trimmer (J. Esq.), on the occurrence 

 of recent marine shells in gravel near 

 Shrewsbury, 200. 



TropfBum, on the new genus so called 

 by Mr. Sowerby, 535. 



Turner (Dr.), on the action of high- 

 pressure steam on glass, 95 ; allu- 

 sion to the death of, 477, 514 ; notice 

 of the event in the obituary of the 

 President's Address, 1838, 626. 



Tyrone, fossil fishes in new red sand- 

 stone of, described, 206. 



Upper Assam, on the geology of part 

 of, 566. 



Upper sandstone and shale, notice of, 

 on the coast of Yorkshire, 671. 



Valparaiso, observations on the earth- 

 quake of 1822, 213. 



Valuation Society, Property, Dec. 31, 

 1833, 38; 1834, 140; 1835, 352; 

 1836, 474; 1837, 617. 



Veins of segregation, St. Austell's 

 Moor, 185. 



VertebrEB, Mr. Owen on the elementary 

 composition of, 663 ; on the, of Ple- 

 siosauri, 664. 



Volcanos, observations on, as effects of 

 continental elevations, 654. 



Volcanic mounds, account of, on the 

 Columbia, 105. 



Volcanic phenomena, on the connexion 

 of, and on mountain chains and vol- 

 canos as effects of continental eleva- 

 tions, 654. 



Volcanic rocks, account of, in Cutch, 

 527. 



Von Hoff (K. E. A.), notice of, in the 

 obituary of the President's Address, 

 1838, 630. 



Walpole (Col.), on assumed change of 

 level in Chili, 446. 



Warwickshire, account of the upper 

 formations of the new red system in, 

 563. 



Washfield, near Tiverton, account of 

 connexion of the trap rocks with the 

 new red sandstone at, 198. 



Wastdale Head, notice of gianite veins 

 in grey wacke slate near, 1 ; and of a 

 band of limestone, 1. 



Watcombe fault, notice of, 102. 



Weaver (S. Esq.), on the age of the 

 Munster coal, 118; on the geological 

 relations of North Devon, 589. 



Wenlock limestone of the Dudley coal- 

 field described, 409. 



Wenlock rocks, notice of, 14; fossils 

 found in, table, 13. 



Wenlock and Coalbrooke Dale, notice 

 of the trap rocks of, 92. 



