Tig 



388 



Tigris River, plains of, section to Ra- 

 madan, xi. 326. 



Tih Escarpment (Arabia Petraea), sections 

 descr. & fig., xxv. 26, xxxi. 11 ; do. to 

 Gharabi escarpm., xxv. pi. i. ; igneous 

 rocks betvv. Akabah and, xxxi. 24 ; 

 descent of plateau, xxxi. 25. 



Tilburstow Hill (Surrey), i. 90, 91, 

 181. 



Tilehurst Road (Berks), valley-gravel at, 

 xlvi. 585 w. section ; plateau-gravel at, 

 xlix. 308. 



Tilers' Hill (Bucks), Lr. Eoc. at, vi. 267 ; 

 section descr., x. 90 & pi. i. ; Westleton 

 Shingle on, xlvi. 139. 



Tilestones (Silur.), nr. Kington, xii. 93- 

 101 & pi. ii. ; nr. Ludlow, xiii. 290, 291 ; 

 inappropr. term, xvi. 196. 



Tilgate Forest (Sussex), Iguano&on fr., v. 

 41. 



Tilgate Sandstone, microsc. struct, of, 

 xxxvii. 16; mammal, incisor in, xlix. 

 281-283 figs. 



Till on Norfolk coast, i. 219, vii. 29, 

 xxxvi. 464 et seqq., xxxviii. 227; nr. 

 Edinburgh, v. 20 ; of Caithness, vi. 385, 

 vii. 200 ; in S. Highlands, orig. of, viii. 

 -30 ; in Scotland, xxi. 166 ; marine shells 

 in & below, vi. 386, 388 ; scratched de- 

 tritus of, vii. 204-207 ; at Copford, etc., 

 viii. 191, 192 ; in N. Lanes, xxviii. 483 ; 

 in N. part of Lake District, xxix. 428 ; 

 in Eden Valley & W. part of Yorks Dale 

 district, xxxi. 77 et seqq. ; in Harris, 

 xxxiv. 835 w. sections ; in N. & S. Uist, 

 xxxiv. 846, 852; in Barra, xxxiv. 856; 

 bottom till of low grounds in Lewis, 

 xxix. 538 ; exist, of true till at low levels 

 in basin of Irish Sea, xxxiii. 738 ; bluish- 

 grey & cream-coloured, of Colwyn Bay 

 xli. 103 ; in neighb. of Forty-ninth 

 Parallel, xxxi. 610 et seqq. See also 

 Boulder Clay. 



Tillingbourne Valley (Surrev), gravels of, 

 vii. 282, 377, xxxviii. 689,^691; section, 

 vii. 284. 



Tilt, Glen (Perth), rock-success, in, xvii. 

 223. 



Timaru (New Zealand), vi. 322. 



Timber Creek (New Jersey), Cret of., i. 

 57, 58 ; corals, etc. fr., i. 65-75. 



Timberscombe (Somerset), section to 

 Wheddon Cross & Hulverton Hill, xxxv. 

 534. 



Timberwood Hill (Leicester), pyroclastic 

 rock of, xxxiv. 203. 



Time, geological, vi. p. xlvi, xvi. p. 1 ; 

 convers. of same into historical, xvi. 

 p. Ii ; Lord Kelvin's views discussed, xxv. 

 pp. xlviii et seqq. ; zool. provs. in, xvi. 

 p. xxxvi ; distrib. of foss. in, xvi. p. xliii 

 w. table ; post-Glacial, estimate of, xliv. 

 291-299. 



Tiuins, J. H., Chem. Geol. of Malvern 

 Hills, xxiii. 352-370 w. anal. 



Timsbury (Somerset), section in Lr. Lias 

 nr., descr., xxxi. 498 ; do. in Middle 

 Lias nr., descr., xxxi. 501. 



Tin-bearing lodes in Cornwall, xxxi. 339; 

 orig. of same, xxxiv. 640-653 figs. & 

 pi. xxx (plan & sections) ; gravels ibid. 

 & in Devon, orig. of, xxxii. 237 ; output fr. 

 Gr. Flat Lode, xxxiv. 652; stockworks 

 in Cornwall, xxxiv. 654-659 figs. ; in 

 Japan, xxxiv. 554 ; in Malay Peninsula, 

 xxxv. 229-232. 

 Tin-ore of Evigtok, xv. 606; of Banka, 

 orig. of, xix. 516 ; in N. S. Wales, xxviii. 

 43, xxix. 5-11 ; discovs. in Queensland, 

 xxviii. 301, xxix. 1-5 ; do. in Tasmania, 

 xxxi. 109. 

 Tin-stream works, abandoned, in Teign 



Valley district, xxiii. 424, 427. 

 Tingley (Yorks), section descr., xxxvi. 57 ; 

 fish-remains in cannel coal of, xxxvi. 

 59, xxxvii. 427. 

 Tingua Mt. (Brazil), nepheline-rocks of, 



xlvii. 251-265 figs. 

 Tinoporus asterisctcs, xlviii. 534. 

 Tintagel (Cornwall), distorted foss. in 

 slates of, iii. 76-77, 83; granite nr., 

 viii. 4. 

 Tintwistle (Cheshire), footpr. in Millst. 



Grit of, xii. 350-354. 

 Tipperary (Ireland), graptolites found in, 



xxv. 161. 

 Tiptree Ridge (Essex), Glac. (?) gravels 



of, xxxvi. 473 & pi. xxi. 

 Tiree (Hebrides), glac. phenom. in, xxix. 



545. 

 Tirfergus Burn (Argyll), section, viii. 413. 

 Tirran, Ben (Forfar), xlix. 333. 

 Tisbury (Wilts), Portland Beds at, xxxvi. 



200 et seqq. & pi. viii (vert, section). 

 Tissington (Derby), 1. 610. 

 Titaniferous iron oxides concentr. in 



highly basic rocks, 1. 318, 323, 324. 

 Titanite, freq. occurr. in foyaite, xxxv. 46. 

 Titanium, *in Harz, ix. (Part 2) 26. 

 Titano, Mte. (San Marino), *geol. of, xxix. 



(Part 2), 1. 

 Titanosaurus, vertebrae of, in Cret. of India 

 & all. do. in I. of W., xliii. 156-160 fig. ; 

 genus nearly all. to Cetiosauriis, xliv. 

 58, 59. 

 Titanosuchus ferox, gen. & sp. nov., xxxv. 



189-199 & pi. xi. 

 The, W., obituary of, xxx. p. xxxvii. 

 Titicaca, Lake (Peru), section of Carb., 

 xvii. 49 ; occurr. of marine crustac. in, 

 xxxiv. Proc. 49. 

 Titlark's Farm (Surrey), section in brick- 

 field descr., xlii. 404. 

 Tivoli (Italy), section, vi. 290. 

 Tjarnir (Iceland), basaltic rocks of, xli. 98. 

 Tjerimai Mt. (Java), section to Rantja 



Plateau, xx. 49. 

 Toadstone, deriv. of term, 1. 604. 

 Toarcian prop, as a new div. of Engl. 

 Jurass., xlv. 460 et seqq., w. correl.- 

 table, etc. ; gen. descr. of strata therein 

 included, xlv. 467; use of term, xlix. 

 480. 

 Tobermory (Mull), chem. anal, of granite, 

 xx. 277, 278; Middle Lias of, xxxiv. 

 715, 716 w. list of foss. 



