Vol. 58.] 
Seamer (Yorks), Glacial geol. of neigh- 
bourbood, 557 ef segg.; relief-map 
of country betw. Wykeham and, 558. 
Secondary, see Mesozoic. 
Sedimentary rocks, evolut. of petrolog. 
ideas as to, lxiii—lxxi. 
Sszntry, H. G. [on Equus fossilis fr. 
Keswick], v; exhib. Lamna-teeth 
fr. Thanet Sands, Ixxxii; receives 
Wollaston Medal for Fr. Schmidt & 
Lyell Medal for A. Fritsch, xli, xlix. 
Segregation-veins in Ceylon gneisses, 
681-82. 
Separation of minerals, 172-76; 
separatg. apparatus exhib., lxxxvili. 
‘Sequence, aligned & parallel,’ 
respectively defined, 482-83. 
Serendibite in Ceylon rocks, 420-22 
w. chem. anal. 
Serpentine in Ceylon rocks, chem. 
anal. of, 415; in Pentraeth district 
(Anglesey), 427. 
Serpentinus-zone, 269, 270. 
Settrington (Yorks), deserted valley 
near, dO1. 
‘Severed spurs,’ definition of, 482. 
Severn R., conn. of course of, w. river- 
system of 8. Wales, 219-20. 
Sewarp, A. C., 25. 
Sewerby (Yorks), ancient sea-beach at, 
. 488-89. 
Shap Granite, metamorphosed metal- 
lif. vein near, Ixxxi—-lxxxii; Sh. Gr. 
erratics in Yorks, 496-97. 
Sheaf-like struct. (felspars) in Anglesey 
diabase, 427, 432 & pl. xvi. 
Shearing (& faulting) in Perm. of Peel 
district, 642-46 figs.; shearing of 
Anglesey diorite, 671-72. 
Shells in Drift of Cleveland area, 494— 
95. 
Suerporn, C. D., cataloguing-work 
done by, x-xi. 
Shimmer-aggregates fr. Bunter Pebble- 
Bed, 627. 
SurpMAn, J., obituary of, lviii-lx. 
Surussoute, O. A. [on Paleolith fr. 
Englefield], 1xxxii. 
Sihl Valley (Switzerland), age of 
deflection of, 468, 469. 
Siliceous sinter, altered, fr. Builth, 
28-34 figs. & pl. ii (microse. sects.) ; 
specims. of same presented, lxxxiv. 
Sillimanite-inclusions in quartz, 625. 
Silurian of Clogher-Head district, 
226-66 figs. & pl. vi (geol. map) ; 
of Victoria, dykes intrusive in, 340. 
Simpson, Cu. T., 349. 
Sinter, altered siliceous, fr. Builth, 
28-34 figs. & pl. ii (microse. sects.) ; 
specims. of same presented, lxxxiv. 
Q.J.G.8. No. 232. 
GENERAL INDEX. 
769 
Sinus in outer lip of Proteroz. gastero- 
poda, 313 e segq. 
Sirhowy R. (8S. Wales), course of, 208. 
Skiddaw Slates in Teesdale, 574-75. 
Skye, mineral & chem. anal. of gabbro 
from, 169. 
Slapewath (Yorks), map 
derivat. of stream at, 526. 
Sleddale Beck (Yorks), 515, 516. 
Sht in outer lip of Proteroz. gastero- 
poda, 313 et seqg. 
Slyving Vein, in C.M. of Somerset, 
616. 
Smaragdite-euphotide fr. 
ili-iv. 
Smerwick Beds (=Llandovery pars), 
247, 249, 256, 263. 
Smerwick Harbour (Kerry), geol. of 
west side of, 247-49 figs. 
Smiru, G. . Herpert, 402, 419, 420. 
Smith Sound (Greenland), ice-foot 
rocks of, comp. w. Sutherland 
breccia-beds, 304-306. 
Surrun, Rev. Fr., obituary of, lx. 
Sneaton Moor (Yorks), Glacial geol. 
of, 585 et seqg. 
Snow, protective action of, 699. 
‘ Snow-mushrooms,’ iv. 
Sodbury Tunnel (Gloucest.), Lias west 
of, 719-29 fig.; Lias & Oolites in, 
729-41; Gr. Oolite Series east. of, 
742-46 figs. 
Soutuas, W. J., 1385; exhib. mechanic. 
separatg. apparatus, Ixxxvlli; on 
Process for Mineral. Anal. of Rocks, 
163-76 fig. 
Somerford (Wilts), Callovian & 
Oxfordian near, ‘750. 
Somerset, Lias of, 272; diagr. of gaps 
in do., 274; overthrust-faults, &e. 
in coalfield, 609 et segg.; Som. & 
Devon, minerals fr. Bunter Pebble- 
Bed in, 620-32 w. map & pls, xxxi- 
XXxii, 
Sound-phenomena of Carlisle earth- 
quakes, 373-74, 375; of Inverness 
earthquake & after-shocks, 382-83, 
3g. 
South-Tyne Glacier, sect. parallel to 
southern edge of, 604 fig. 
South-Wales Direct Line, Jurass. 
strata of, 719-52 figs. & lists of 
foss.; see also Wales (8.). 
Spencer, J. W. W., on Geol. & Phys. 
Developmt. of Dominica, &c., 341- 
53 figs. & pl. x (geol. map); on 
Geol. & Phys. Developmt. of Bar- 
bados, &c., 354-65 figs. 
Spencer, L. J., Wollaston - Fund 
Award to, xliil. 
Spherophthalmus flagellifer, 103. 
3H 
showg. 
Saasthal, 
