Tha 



386 



Thanet Sands, viii. 235-264 & pi. xv 



(sections), x. 444; foss. of, viii. 245- 



250, 264-268 & pi. xvi. ; Osmundites 



Bowkeri fr., xxvi. 354 ; non-calcar. char. 



of, xi. 62, 67 ; their French & Belgian 



equivs., xi. 211 et seqq. ; W. thinning of, 



xviii. 266 ; junct. w. Chalk, xxii. 402- 



404 ; in Richmond boring, xl. 731. 

 Thatcher Rock (Devon), so-called raised 



beach of, xlvi. 438-443. 

 Thaxted (Essex), section nr., xlvi. 134. 

 Thecaantiqua, sp. nov., xxvii. 400 & pi. xvi. 



beirensis, sp. nov., ix. 158 & pi. ix. 



caereesiensis, sp. nov., xxxi. 189 & 



pi. xi. 

 ■ corrugata, sp. nov., xx. 238 & pi. xiii. ; 



xxviii. 180 & pi. vii. 



Davidii, sp. nov., xxix. 50 & pi. iii. 



Porbesii, sp. nov., ii. 314 & pi. xiii. 



Harlcnessi, xxxi. 189 & pi. x. 



lineata, sp. nov., xxxiii. 668 & pi. xxiv. 



■ penultima, sp. nov., xxviii. 180 & 



pi. vii. 



stiletto, sp. nov., xxviii. 180 & pi. vii. 



Thecidium Adamsi, sp. nov., xix. 517-519 



figs. 

 Thecocyatlms Moorei (?), occurr. of, xxxiv. 



194. 

 Thecodontosauria, char. & aff. of, xxxi. 



434 et seqq. 

 Thecodontosaurus, dinosaur, aff. of, xxvi. 



43 et seqq. & pi. iii. ; xlviii. Proc. 189. 

 Thecodontosaurus-bed at Durdhara Down, 



section, xxxvii. 73 ; age of, xxxvii. 80. 

 Theeoseris regard, as subgen. of Lepto- 



phyllia, xiii. 129. 



polymorpha, xxxviii. 433 & pi. xviii. 



Thecosmilia, Infra-Liass. spp. of, xiii. 



115. 



■ annularis, xl. 717. 



Brodiei, xl. 366. 



confluens, xl. 364 & pi. xix. ; xiii. 116. 



dentata, xl. 366. 



■ Duncani, xl. 366. 



■ Horneri, xiii. 116. 



■ Hcemesii, xl. 364 & pi. xix. 



major, xl. 367. 



Martini, xxxiv. 186. 



Michelini, xxxiv. 185. 



mirabilis, xl. 365 ; xiii. 116. 



ramosa, xxxviii. 422. 



rugosa, xxii. 91 ; xl. 364 & pi. xix. 



serialis, xl. 365 ; xiii. 116. 



Slatteri, sp. nov., xxxix. 182; xiii. 



133. 

 — — ■ socialis, sp. nov., xxxiv. 187 & pi. ix. 



suttonensis, xl. 365. 



Terquemi, occurr. of, xxxiv. 181 ; xl. 



366. 



Wrighti, xxxviii. 422. 



sp. (Ehaetic), xl. 365. 



Thecospondylus Daviesi, sp. nov., xliv. 



79-87 figs. 

 ■ Horneri, gen. & sp. nov., xxxviii. 



457-460 & pi. xix. 

 Theiss River ( Hungary), rock-format.round 



head-waters of, xxxiii. 675 ; drift-sections 



in valley, descr. & fig., xxxiii. 676. 



Thelodus parvidens, ix. 9, 14. 



Theodori, K., * Ichthyosaurus trigonodon 

 iu Banz Museum, etc., xi. (Part 2) 

 41. 



Theresa (N.Y.), glacial phenom. around, 

 xxxii. 76 ; flower-pot shaped blocks of 

 Potsdam Sandst. at, xxxii. 78. 



Theriodontia, ord. nov., char, of, xxxii. 99, 

 100, xxxvii. 261-265; found in Penn. 

 deposits elsewhere than in S. Africa, 

 xxxii. 352-363 figs.; reg. as a family 

 rather than an ordinal group, xxxiv. 803 

 et seqq. ; fr. Beaufort West, xxxv. 189- 

 199 & pi. xi. ; fr. Perm, of Kargalinsk, 

 xxxiii. 500. 



Theriosuchus pusillus, gen. & sp. nov. r 

 xxxv. 148-155 & pi. ix. 



Thermal *springs of Carlsbad, xii. (Part 2) 

 18 ; in Armenia, xi. 316 ; nr. Teheran, 

 xv. 198; in Venezuela, xvi. 468; in 

 Nevada, xx. 322 ; in Queensland, xxviii, 

 284 ; in New Zealand, xli. 219 ; in Mada- 

 gascar, xlv. 322; zeolites, etc. formed 

 by, comp. w. those in anrygdaloids etc., 

 xxxiv. 73-85 & pi. iv. 



Theropoda, obs. on, xliv. 59. 



Thetford (Norfolk), flint-implem. found 

 nr., xxii. 567, xxiii. 45-56 figs. ; brick- 

 earth in neighb. of, xxxiii. 108. 



Thetis minor, iii. 312. 



Thian Shan Range (Central Asia), geol. 

 notes on journey to Chaderkul, xxx, 

 574-580. 



Thibet, geol. of part of, vii. 292-310 & 

 pis. xvi.-xvii (map & sections). 



Third Boulder Clay, so-called, xxxvi. 495, 

 496. 



Thirlmere Valley (Cumberland), dir. of 

 glac. stria?, xxix. 425. 



Thirlstane Burn (Selkirk), Moffat Series 

 in, xxxiv. 269 fig. & pi. xiii (map). 



Thirsk (Yorks), section in Oolites nr., xiv, 

 91 & pi. vi. ; do. to Vale of Pickering, 

 xxxiii. 350. 



Tholeites of Western Is., xlvi. 371 w. chem. 

 anal. & pi. xv. 



Thomar (Portugal), section to Leiria, vi. 

 145 ; Jurass. nr., vi. 159. 



Thompson, B., Landscape Marble, 1. 393- 

 410 figs. 



, Murchison Fund Award to, 



xlviii. Proc. 32. 



Thompson Valley (Brit. Columbia), ancient 

 moraine in, xxxiv. 114. 



Thomson, C. W., Acidaspis fr. Lr. Silur. 

 of 8. Scotland, xiii. 206-210 & pi. vi. 



, obituary of, xxxix. Proc. 40. 



Thomson, J. (& P. M. Duncan), Cyclo- 

 phyllum, gen. nov. of Cyathophjdlidse, 

 & Remarks on Aulophyllum, xxiii. 327- 

 330 & pi. xiii. 



, Carb. Corals [abs.], xxiv. 463. 



, On Genus Diphyphylhtm, Lons- 

 dale [title only], xiii. Proc. 117 ; 

 [abridged : Occurr. of D. in Lr. Carb, 

 of Scotland, w. Descr. of New Spp, 

 & notices of Vars.], xliii. 33-39 & 

 pis. iv.-v. 



