Sow 



362 



Sowerby, J. de C, obituary of, xxviii. 

 p. xlv. 



Sowerbya longior, sp. nov., xxxvi. 231 & 

 pi. ix. 



Sowerbyi-zone, xlix. 483. 



Spa (Liege), section to Pepinster, ix. 21. 



Spain, Tert. in, i. 235, *vi. (Part 2) 1-13; 

 geol. of, vi. 406-413; *de Verneuil & 

 Collomb's work on, x. p. lii ; progr. of 

 geol. in 1855, xii. p. xcv ; # Casiano de 

 Prado's memoir, xiii. p. lxxvii ; *Mesoz. 

 f oss. fr.. xxi. (Part 2) 1 ; coal-bearg. equivs. 

 of Punfield Beds in E., xxvii. 224; foss. 

 vertebrata discov. in, xxxiii. 124-133 w. 

 list ; mammotb & other mammal, re- 

 mains fr. N., xxxiii. 537-540; geol. of 

 district neighb. Gibraltar, xxxiv. 511. 

 See also Gibraltar, Leon, Malaga, Sf 

 other place-names. 



Spalacotlierium tricuspidens, gen. & sp. 

 nov., x. 426-432 figs. 



Spanish Head (I. of Man), ii. 320. 



Spatangus delphinus, xx. 488 & pi. xxii. 



■ ocellatus, xx. 487 & pi. xxi. 



Omalii, viii. 342 & pi. xviii. 



purpureus, xxxi. 446 & pi. xxi. 



■ pustulosus, sp. nov., xx. 489 & pi. xxi. 



Spathose iron-ore in Nova Scotia, vi. 356, 

 360; veins of, in Brendon Hills, xxv. 

 255-256 figs. See also Iron-ores. 



Spean, Glen (Inverness), rock-success, in, 

 xvii. 213, xix. 206; evids. of glac. action 

 in, xviii. 173 et seqq. ; section across, 

 xviii. 174 ; ancient ice-dam at mouth of, 

 xlviii. 12 ; syenite of, dispers. of boulders 

 fr., xlviii. 23. 



Spearing, H. G., Recent Encroachm. 

 of Sea at Westward Ho !, xl. 474-478 w. 

 map. 



Special General Meetings, for election of 

 officers, etc., x. 397, xii. 384, xxxiii. Proc. 

 6, xliii. Proc. 91, xlvii. Proc. 11, 170, 

 xlviii. Proc. 3, xlix. Proc. 10; for 

 alterat. of Adm. Pees & Contrib., xiv. 

 241, xvi. 150 ; altering Composition- 

 fee, xviii. 159, xxxiii. Proc. 96, 1. Proc. 

 150; changing venue of Meetings, xvi. 

 447, 487; instit. Class of For. Corr., 



. xix. 157; alter. Bye-Laws, xxiii. 322, 

 xlv. Proc. 78, 79, 81, 85 ; sanctioning 

 Index, xlix. Proc. 152. See also Geolo- 

 gical Society. 



Species, transmut. of, xii. p. cxv ; success, 

 of, xiii. pp. cxlii et seqq., xiv. pp. clvi- 

 clvii, xv. 278 & *(Part 2) 1-5, ; diffus. 

 in time & space, xv. 285 ; *Darwin's 

 ' Origin of Spp.,' xvii. p. xxxix ; condits. 

 to be obs. in establ. new spp., xxxiii. 485 

 et seqq. 



Specific gravities, comparative, of molten 

 & solidified Vesuvian lavas, xxxviii. 

 Proc. 240; sp. gr. of basalt-glass, xxxix. 

 448 ; of Gr. Whin Sill at var. locals., xl. 

 643 ; of pluton. rocks of Garabal Hill & 

 Meall Breac, xlviii. 107; sp. gr.as a test 

 of relat. basicity of gabbro, 1. 321. 



Spectrum analysis in assaying, xxxii. 

 Proc. 96. 



Specular iron-ore in Nova Scotia, vi. 355 

 et seqq. See also Iron-ores. 



Speculation, geological, xxv. pp. xxxviii et 

 seqq. 



Speer, Mt. (Switzerland), folding of rocks 

 in, v. 243. 



Speeton (Yorks), section comp. w. that at 

 Louth, xxiii. 241 ; do. to Kilnsea Beacon, 

 xxiv. 148 ; do. at, descr., xxiv. 220, xliv. 

 345 ; vert. do. descr., xlv. 581 ; do. at 

 Nanny Goat's Ho., facg. xliv. 366 ; do. 

 ibid, to show altera, of coloured bands, 

 xliv. 354 ; maps & sections, xxiv. 229 

 et seqq., xlv. 578 ; pres. state of cliff- 

 section & shore-expos., xlv. 576, 577 ; 

 Red Chalk at, xliv. 337 ; Lr. Chalk nr., 

 xliv. 343 ; drift at, xlvii. 405 & pi. xiii 

 (section) ; infra-glac. beds of, xlvii. 411. 



Speeton Clay, bibliogr. of, xxiv. 219 ; 

 correl. w. Gault discussed, xxiv. 223 ; 

 classif. of beds constit. Sp. CI., xxiv. 

 225 ; vert, distrib. of foss., xxiv. 241, 

 245 ; economic products of, xxiv. 249 ; 

 in Yorks & Lines, & its equivs. in N. 

 Europe, xxvi. 326-348 & pi. xxiii (map 

 & sections) ; subdivs. of, xlv. 575-618 w. 

 map & sections, xlix. Proc. 117 et seqq. 



Spencer, J., Boulders found in Seams of 

 Coal, xliii. 734-735 w. vert, section. 



, Evid. of Ice-action in Carb. 



Times [abs.], xliv. Proc. 93. 



, obituary of, 1. Proc. 51. 



Spencer, J. W., Orig. of Basins of Gr. 

 Lakes of America, xlvi. 523-531 w. map. 



Spencer Mts. (New Zealand), format, of 

 lake-basins in, xxii. 254-260 w. map. 



Spengill (Westmoreland), Stockdale Shales 

 of, xliv. 700 w. section. 



Spermophilus citillus, erron. attrib. to 

 Pleistoc, xxvi. 128. 



sp. fr. Ightham fissure, 1. 194. 



Spessartine-garnet (?) in Beddgelert spbe- 

 rulite-rock, xxxvii. 404. 



Spey River (Scotland), O. R. S. fish-beds 

 of, xv. 344 & pi. xi. ; section to Deveron 

 R., xxvii. 102. 



Spezia (Liguria), Jurass. of, v. 266-272. 



Splicer a, see also Corbis. 



crassicosta, xxxix. 526 & pi. xvi. 



jimbriata, sp. nov., xxxix. 525 & 



pi. xviii. 



madagascariensis, sp. nov., xlv. 336 



& pi. xiv. 



Spliceroceras Brongniartii, xxxvii. 597. 



dimorphum, xxxvii. 598. 



Gervillii, xxxvii. 597. 



Manselii, xxxvii. 597. 



meniscus, xxxvii. 597. 



polymorphum, xxxvii. 598. 



Sauzei, xxxvii. 596 ; bed at Oborne, 



xxxvii. 591. 



Wrightii, sp. nov., xxxvii. 599. 



Splicer odus gigas, char, of dentit. of, xxv. 



385 fig. 



rugulosus, sp. nov., i. 167 fig. 



spp. fr. Maltese Mioc, xxxv. 529. 



Sphceroidina ornata, sp. nov., xliv. 6 & 



pi. i. 



