Vol. SS-] 



GENEEAL INDEX. 



789 



Scaleber (Yorks), knolls near, pi. xxiv 

 facg. 339 ; folded limest. in shale 

 near, 345, 346 fig., 347. 

 Scaling (Yorks), stone-implemt. from, 



Ixxxviii, 

 Schlern Dolomite, age of, 561-562 ; 



exposures of, 593, 595 et seqq. 

 Schorl-rock pebbles, orig. of, in 

 Drifts of S. & E. Engl., 220-223. 

 Sea-ice off Spitsbergen, action of, 687. 

 Sedgley-Baggeridge area (Staffs), 



Middle & Upper Perm, of, 114, 115. 

 Seeley, H. G-., on Monotreme (?) Foot- 

 print fr. Trias of Stourton, Ixxxix ; 

 on Hemiovius major, gen. & sp. nov. 

 fr. Tonbridge, 413-415 figs.; on 

 Eyid. of a Bird fr. Wealden Beds 

 of Ansty Lane, Cackfield, 416-418 

 figs. 

 Selenite, in Lias nr. Catesby, 77. 

 Sella massive (S. Tyrol), geol. of, 590- 



612 w. sects. & pi. xl (map). 

 Serpentine, belt of, in N.S.W., 18- 

 19 ; variolitic, etc., & assoc. rocks 

 in Anglesey, 276-304 figs. & pi. 

 xxiii (microsc. sects.) ; serp. of 

 Davos district, 391-393. 

 Servino=shaly Verrucano, 389, 395. 

 Sett Sass (S. Tyrol), geol. of, 613- 



623 w. maps. 

 Settle (Yorks), limest.-knolls near, 



338, 339 & pi. xxiv. 

 Severn Basin, Lr., Permian conglom. 

 of, 97-128 w. tables i-iii & pis. xi- 

 xii (maps). 

 Sewage-farms, best sites for, Ixxv. 

 Sbear-and-contact breccia of Buchen- 



stein, etc., 567-569, 577, 584. 

 Sheepwalks (Enville), Perm, of, 105 



& table i. 

 Shell-rocks, Tertiary, in S. Morocco, 



194, 195. 

 Sherborn, C. D., report on registra- 

 tion work in Museum, xiv ; quoted, 

 544. 

 Shropshire (S.E.), Middle & Upper 

 Perm, of, 100, 102-111, & pi. xi 

 (map). 

 Siliceous organisms, replacem. by carb. 



of lime, 716-717. 

 Silicified limestones of Stockdale 



Valley, 341. 

 Sill (& faulted inlier) in Tideswell Dale, 

 239-250 figs. & pis, xix-xx (map & 

 microsc. sects.) ; sills of Vail bach, 

 569-570. 

 Silurian foss. found in Middle Perm, 

 conglom., list of, 124 ; pseudo-foss. 

 fr. Tipperary, ii ; Silur. echinoid. 

 & ophiuroid. in Oxf. Univ. Mus., 

 692-715 figs. 



Simonseat (Yorks), swallow-holes on, 



360-361. 

 Skelterton (Yorks), limest.-knoU of, 



359. 

 Skipton (Craven), limest.-knolls below, 



359-361. 

 Slickenside-strise, 13, 128 ; in 



Draughton Quarry rocks, 334. 

 Socach (Dalmally), altered rocks of, 



481 et seqq. 

 Solfataric action in N.Z., 450, 464. 

 SoLLAs, W. J., on Silur. Echinoid. & 

 Ophiuroid. in Oxf. Univ.Mus., 692- 

 715 figs. ; on Occurr. of Sponge- 

 spicules in Carb. Limest. of Derby- 

 shire, 716-717. 

 SoPWiTH, T., obituary of, Ixvi, 

 Soraruaz-Pralongia diagonal fault 



(S. Tyrol), 585, 615. 

 SoRBY, H. C, presents his portrait, 



Ixxxvii. 

 Sorel Point (Jersey), intrus. of granite 

 into diabase at, 430-448 figs. & 

 pis. xxix-xxx (microsc. sects.). 

 Spatula clypeata fr. Ightham fissure, 



420. 

 Spermophilus erythrogenoides from 

 Ightham fissure, 422-424 & pi. 

 xxviii. 

 SphcBTozoum sp., 43 & pi. viii. 

 Spherulitic serpentines, see Variolitic ; 

 spherul. struct, in Hauraki rhy- 

 olites, 451 et seqq. & pis. xxxii- 

 xxxiv (microsc. sects.). 

 Spinel fr. G-lenelg Limest., 372-380 



w. chem. anal. 

 Spitsbergen, glacial phenom, of, 681- 



691 & pis. xli-xlviii (map, etc.). 

 Sponge-spicules in radiolar. rocks of 

 N.S.W., 60-61 ; in Carb. Limest. 

 of Derbyshire, 716-717. 

 Spongocoelia citreum, gen. & sp. nov 

 52 & pi. ix. 



oliva, sp. nov., 52 & pi. ix. 



Spongodiscus acinus, sp. nov., 54 & 

 pi. ix. 



cribrarius, sp. nov., 54 & pi. 



ix. 



punctus, sp. nov., 54 & pi. ix. 



scutulatus, sp. nov., 55 & pi. ix. 



Spongolonche lens, sp. nov., 55 & 



pi. ix. 

 Spongoplegona australe, sp. nov., 44 & 



pi. viii. 

 Spongotripus fenestratus, sp. nov., 55 

 & pi. ix. 



patella, sp. nov., 55 & pi. ix. 



St. Margaret's (Cheshire), pyramid- 

 pebble found near, xc. 

 Ste. Madeleine (Trinidad), Nariva 

 Beds, etc. of, 182, 183. 



