752 



INDEX. 



Trachyte, description of, in Asia Minor, 584 

 et seq. 



rrachytic conglomerates, descriptions of, in 

 Asia Minor, 584 et seq. 



Tralee, notice of layers of lead near, 65. 



Transition limestone of the south of Ireland, me- 

 talliferous deposits in the, described, 27. 



series, account of, in Kerry, Cork and 



Waterford, 6. 



list of fossils contained in, in 



the south of Ireland, 10 and note, 15. 



■ list of fossils said to be com- 



mon to, and the carboniferous system, 10 note. 



United States, geographical dis- 

 tribution of Trilobites in the, 60 note, 62 note. 



tract, south of Ireland, metalliferous 



relations of, 24. 



Trap, notice of, in Antrim, 81. 



in the Coalbrook Dale district, 



449. 



• rocks, description of, in Cutch, 306. 



at Gamrie, 144. 



inMayoandSligo, 162. 



in part of Asia Minor, 



590 et seq. 



relative age of the, and laterite of India, 



573. 



dykes, account of parallel, in Mayo and 



Sligo, 162. 



. and porphyry of South Munster, notices re- 

 specting, 40 et seq. 



Trees, account of action produced in, by earth- 

 quakes, 602, 603. 



Trial pit, Castle Green, section of, 475. 



near Lilleshall Old Hall, 479. 



Trilobites, geographical description of, in the trans- 

 ition series of the United States, 60 note, 62 

 note. 



. car- 

 boniferous series, 61. 



U. 



Ugbrook Park, notice of complicated junctions 



near, 670 note. 



. culm sandstone in, 678. 



Ugborough, description of formations near, 650, 



653. 



Ullah Bund, notice of a bank in the Indus near, 319. 



Ulloa, references to his account of the earth- 

 quakes in South America, 606 note, 614, 615. 



United States, notice on the carboniferous series 

 in the, by Mr. Weaver, 58 et seq. note. 



Upper culm measures of Devonshire, description 

 of, 677. 



essentially 



composed of sandstone and shale, 677. 



strata vio- 



lently contorted, 677. 



remains abundant in, 678. 



vegetable 



thin beds of impure limestone, 678 note. 

 account of 



the bands of culm near Bideford, 680. 



■ of 



the plants obtained from, 681. 



■ considered 



to be the equivalent of the ordinary British 



coal-fields, 682, 688. 

 Upper lias shale, description of, at Easington 



Heights, 215. 



characteristic fossils, 215, 221. 



systematic list of the fossils, 219. 



section of the beds, 221. 



Upper Silurian rocks, notice of, in Coalbrook 



Dale, 419. 

 Urgub, structure of the country near, 592, 593. 



. conical hills near, 593. 



Utch-hissar, description of the country near, 592. 

 conical hills of, 



592. 



V. 



Vaidivia, motion of the ground at, during 



the earthquake Feb. 1835, compared to the 



bending of a sheet of ice, 620. 

 Valley of rocks, notices respecting, 640, 641, 



644, 645. 

 Valleys, betv^een granite hills, north coast of the 



St. Lawrence, occupied by beds of gravel, 



sand and clay, 89. 



of elevation, remarks on, 640 and note. 



Vegetable organics, notice of, in the Bermudas, 



115. 



