391 



Tra 



Trachytic lava-domes, orig. of, xv. 528, 

 529 et seqq. ; *roc\"S of Schemnitz, xxi. 

 (Part 2) 20 ; of Prinkipo L, xxiv. 54 ; 

 of Chalki & other is. in Sea of Marmara, 

 xxiv. 61. 



Trachytoidal structure, xli. Proc. 86. 



Tracks of Lr. Silur. Crustacea, xviii. 347, 

 xix. 92-95 fi°:. ; of Pteraspis (?) in 

 Downton Sandst., xxiii. 333-339 figs.; 

 of terrestr. & fresh w. animals, xl. 178- 

 186 & pis. viii.-xi. ; of invert ebrata in 

 Palaeoz. rocks, xlvi. 595-618 figs. See 

 also Footprints. 



Traeth Dulas (Anglesey), pre-Camhr. in 

 district W. of, xliv. 502. 



Trafalgar Square (London), chem. anal, 

 of water in well at, v. p. lxxxi ; well- 

 section at, x. 148. 



Tragos (gen. Amorphozoa), char, of, v. 59. 



Traeulidae, their ancient family, xxvi. 

 p.li. 



Traigh Chrois (Lewis), cliff-section S. of, 

 xxxiv. 824. 



Trail, term prop., xxii. 555; at Grays 

 Thurrock, etc., xxiii. 95 etseqq. ; of soft 

 beds in N. Lanes, xxviii. 480, 481. 



Traill, T. S., obituary of, xix. p. xxxiv. 



Traisenthal (Lr. Austria), *sections descr., 

 xx. (Part 2) 24. 



Tramitchell Quarries (Ayr), Stinchar Beds 

 in, xxxviii. 575. 



Tranmere (Cheshire), ripple-marks in drift 

 of, xl. 268 fig. 



Transactions Geol. Soc, L. Horner on, ii. 

 151, iii. p. ii. 



Transcaucasia, # geol. of, iii. (Part 2) 41- 

 48. 



Transition Beds, name retained, iv. 206; 



• so-called, xv. 359, xvii. 257, 543; (betw. 

 O. R. Conglom. & Lr. Limest. Shales) in 

 Forest of Dean, xxxix. 211, 212 w. 

 chem. anal. ; (Inf. Ool.) in Cotteswold 

 Hills, xlvii. 550 ; insol. residues fr. same, 

 xlvii. 559, 566. See also Palaeozoic. 



Transitional Sandstone (Ordovic.) of Benan 

 Burn, xxxviii. 557 ; of Dupin Linn, 

 xxxviii. 566. 



Transitional Zone of Balclatchie, xxxviii. 

 584. 



Translation, wave of, in conn. w. Northern 

 Drift, iii. 227-232, iv. 91, vi. p. Ixiii. 



Transmission of heat thro' clay & sand, iii. 

 232 



Transvaal (S.A.R.), goldfields & cobalt- 

 mines of, xxxiii. 881, 883 w. sections ; 

 geol. of Lydenburg & De Kaap Gold- 

 fields, xli. 569-590 figs. ; gen. section to 

 Cape Town, f acg. xliv. 270 ; gold-discovs. 



- in, xliv. Proc. 3; geol. of S., xlvii. 

 451-463 & pi. xv (map & sections) ; 

 gold-bearg. & assoc. rocks of, xlviii. 

 404-437 figs. & pis. x.-xi (map & 

 sections). See also Johannesburg, 

 Klerksdorp, Witwatersrand, 8[ other 

 'place-names. 



Transverse rivers, intercept, by longitud. 

 do., xxxix. 598 ; valleys, format, of, 

 xviii. 390 ; explan. of same, xviii. 393. 



Transylvania, *metals in aurif. sand of, x. 

 (Part 2) 27 ; *Tert, of, xi. (Part 2) 42 ; 

 *johnstonite fr., xii. (Part 2) 10 ; *Tert. 

 eruptive rocks of, xvi. (Part 2) 33-35; 

 *Liass. flora of, xvii. (Part 2) 10 ; *geol. 

 & surface-feats, of, xviii. (Part 2) 5. 



Traps of Bleadon Hill, i. 47-51; in I. of 

 Man, ii. 322 et seqq. ; contemp. , in 

 Cambr., etc. of N. Wales, iii. 134 et 

 seqq., ix. 102 et seqq. ; bedded, of Here- 

 fordshire Beacon, chem. anal, of, xxiii. 

 358 ; intrus., of Malvern Hills, xii. 382, 

 xxiii. 364, chem. anal.; contemp., of 

 Carrock Fell district, chem. anal, of, 

 xxxii. 24; dykes of Lizard district, 

 xxxiii. 897 et seqq., 910 ; do. in Skye, 

 xiv. 15 & pi. i. ; in Tweed Valley, iv. 

 197 et seqq. ; veins in rocks of Kintyre, 

 viii. 415; do. of Easdale & Oban, xv. 

 110-116 ; silic. trap at Sutors, xv. 348 ; 

 intrus. in O. R. S. series of Forfar, xvii. 

 534 et seqq. ; nr. Kreuznach, etc., iv. 

 209 et seqq. ; in neighb. of Bombay, iii. 

 221-224 ; of Malseij Ghat, iii. 226 ; of 

 Nagpur district, x. 470 et seqq., xi. 

 351-356 ; fresh w. Tert. in same, xi. 358 ; 

 in Asia Minor, v. 365-366; on Turko- 

 Persian frontier, xi. 293 ; age of same, 

 xi. 367; in Levant, xiv. 214, 218, xxiv. 

 56; in N.S.W. & Tasmania, iii. 245, 

 248, xx. 465 ; in Queensland, xxviii. 302 ; 

 in Nova Scotia, iv. 52 et seqq., xx. 335 

 et seqq. ; dykes in Egypt, iv. 339 ; Holl's 

 use of term, xxi. 75 ; Geikie's use of 

 term, xxvii. 280; intrus. & contemp., in 

 Cape Colony, xliv. 254; felspathic, of 

 Devon, xlviii. 496-507. 



Trap-amygdaloids in Africa, 1. 551. 



Trap-conglomerate in S. Africa, xxx. 56. 



Trap-dykes, gold assoc. with, in S. Africa, 

 xi. 1-7. See also Traps. 



Trap-granulite, of Madagascar, xiv. 344. 



Trappacean limestone in I. of Man, ii. 

 322, 323. 



Trappean group in N. Wales, iv. 300; 

 belt of Michigan, xxii. 450, 452 section; 

 series of Abyssinia, xxv. 403. 



Trappoid breccias (Perm.) in Odenwald 

 & in Worcester, xiv. 221, 222. 



Traprain Law (Haddington), trachytic 

 rock of, xlviii. Proc. 113 w. chem. anal. 



Teaqjjaie, R. H., Agassizian Genera 

 Amblypterus, Palaoniscus, Gyrolepis, 

 & Pygopterus, xxxiii. 548-578. 



- — , Wollaston Fund Award to, 



xxxvii. Proc. 33. 



' Trass ' of Rocca Monfina, vi. 302. 



Traun, Lake (Upper Austria), *Flyschm\, 

 xxv. (Part 2) 2; glac. orig. of rock- 

 basin denied, xxix. 391. 



Teatjtschold, H., *Foss. Flora of Klin, 

 xxviii. (Part 2) 4. 



Travernanzes (S. Tyrol), xlix. 67. 



Tea vers, see Locke-Teavees. 



Travertine, microsc. struct, of, xxxv. Proc. 

 73. See also Tufa. 



Traws Coed (Montgomery), section in ry.- 

 cutting at, xxxvii. 155. 



