Yol. 68.] 



GENERAL INDEX i 



701 



Sudbury (Suffolk) Glacial sections 



round, 23-30. 

 Sulphides in Arctic Bed, origin of", 



247-48. 

 Sun-Cracks in Halnstead Permiauj 



640, 678. 

 Swantly Inlier (Lanes.), 514-15. 

 Syenite, fretted ' nuggets' of, in Keu- 



per Marl at Croft Quarry, 284 & 



pi. jcx. 

 Syrwgothy7'is-CUspidata Band in N.W. 



Province, 464-65 w. list of foss., 



489-90, 500, 527, 587-38. 



Tahulipora, see Simophragma. 



Tams, — , 588» 



Tanwortb-in-Arden (Warwickshire), 

 Arden Sandst. in neighbourhood of, 

 261. 



Tarannon (Montgomeryshire), sect, to 

 Aberystwyth, 338. 



Tarannon Shales, (?) equivalents in 

 Kilbride Peninsula, 81, 86; T. 

 format, of Central Wales compared 

 w. Gala Group, 344. 



Tarn Diaiples (Cumberland), glacial 

 drainage-clmnncl, 433-34 fig. ; pro- 

 file sect, of do. & Monk-Foss chan- 

 nel, 435. 



Tarn-Sike Limestone, 485. 



Teall, J. J. H., viii. 



Tectonics of Arden Sandstone area, 

 268-71 vp. map ; of Central Wales 

 & the adjoining regions, 339-42 

 & pi, xxxiv (map) ; of Mynydd-y- 

 Gader area, 346, 349-53 figs., 354- 

 55 figs. ; of Pedwardine inlier, 

 370-71 ; of pre -Cambrian & 

 Cambrian rocks in Brawdy & 

 Hayscastle district, 396-98 ; of 

 Warwickshire Coalfield, 611-12. 



Teifi Anticline (Central Wales), 339, 

 310-41. 



Tekka Mine (Kinta), sect, showg. 

 faulted tourmaline & kaolin-veins, 

 149. 



Tertiary (?) sedimentary rocks of 

 Costa Eica, 106-10 & pi. ix (micro- 

 scop, sects.), 118 et seqq., 124-25, 

 127 et seqq. 



Test Valley (Hants), palaoliths from, 

 exhibited, ciii. 



Thames R., former course of, 206- 

 208 & pi. xiv (map), 209 et seqq. 



Thenaropus heterodactylus contrasted 

 w. Ichnium sphcerodactylum, 663. 



Thick Coal of Warwickshire, correlat. 

 of seams, 594; sect, in Newdigate 

 Colliery, descr., 597 ; palaeontology 

 of, 616 ci! ^eqq. 



Thomas, Herbert H., 60, 99, 402; 



[elected Secretary], xxi ; (& O. T. 

 Jones), on tlie Pre-Cambrian & 

 Cambrian Rocks of Brawdy, Hays- 

 castle, & Brimaston (Pembroke- 

 shire), 374-400 figs. & pi. xl (geol. 

 map). 



Thomas, I., 555; [on Lr. Carb. of 

 N.W. Province], 585. 



Thrust-faulting originatg. inliers of 

 Carb. Limest. in Somerset, 59. 



Thrust - plane in Middlebarrow 

 Quarry, 511 & pi. xlv. 



Tkysanophylhtm vseudovermiculare, 

 662-63 & pi. xlix; Th.-^n. Band 

 in N.W. Province, 463-64 w. list 

 of foss., 489, 500, 506, 518-19, 527. 



Tin-field of Gondwana age, 140 tt 

 seqq. 



' Tip ' of strata defined, 286 fig. 



Tmetonema , gen. nov., 306, 



subsulcaium, sp. uov., 306 & 



pi. xxviii. 



Tonalites of Grand Havre, &c. 

 (Guernsey), 36-37. 



ToRNEBoHM, A. E.> obituary of, 

 lii-liii. 



Tourmakeady rocks correlat. w. those 

 of Glensaul & Kilbride, 97. 



Tourmaline in Upper Keuper of 

 Charnwood area, 290. 



Tourmaline-corundum rocks of Kinta, 

 relat. of corundum- boulders to, 

 157-58.^ 



Tower -Hill Sandstone Sub-group 

 (Hamatead), 648, 649, 654. 



Towy Anticline (Central Wales), 339, 

 341-42. 



Transition Series, see Warwickshire 

 Coalfield. 



Tkechmann, O. T., 308. 



Trechmannia, subgen. nov., 302^ 

 303. 



irochiformis, sp. nov., 303-304 



& pi. XXX. 



Tree-trunks in Gopeng Beds, 150 fig., 



151, 161. 

 Tremadoc Beds nr. Dolgelly, 347. 

 Tremolite-schist of Beinn Doirean, 



173-74. 

 Tres Rios (Costa Rica), 106 et seqq. 

 Triassic pebbles, distrib. of, in Bucks 



gravels, 206 ; Trias, base of, in 



Warwickshire, 609-10; sec also 



Bunter, Keuper, ^c. 

 Trinidad (B.W.I.), new island formed 



oft" coast of, vi. 

 Trinucleus sp. in Llandovery beds, 



86, 101. 

 Tropidostropha, gen. nov,, 295-98, 

 yriffithi, 298-90 & pi, xxvii. 



