Vol. 65.] 



GENERAL INDEX. 



G93 



Siiakespear, (Mrs.) E. M. E., 192, 

 531. 



Sbangort (Mayo), Arenig Beds near, 

 113 et seqq .; sects. S. & N.W. of 

 114; Sbangort Beds (Llandeilo), 

 115-18, 142 ; list, of fuss. fr. do., 

 124-25. 



Shatter-belt defined, 589 ; see also 

 pi. xxix, $ also Glen Ooe. 



Shear, definition of term, 9. 



Sibly, T. F. [on Carb. Limest. suc- 

 cession in Co. Clare], 584. 



Silica in river-waters, ci et seqq. 



Silicified wood in Rhodesian strata, 

 421. 



Silurian (& Ordovician) rocks of Con- 

 way, relats. of, 169-94 figs. & pi. viii 

 (map & sect.) ; do. of district around 

 Plynlimon & Pont Erwyd, 463-537 

 figs. & pis. xxiv-xxv (maps) ; Silur. 

 of Howgill Fells, 587, 588, 610. 



Skottsbekg, C, [on the Geology of 

 the Falkland Islands], ii. 



Smith, G. F. H., [exhibits refracto- 

 meters], cxxix. 



Snowdon (Carnarvonshire), form of, 

 281-82 ; pre-Glacial form of, 292- 

 93 ; excursions around, 282-83 ; 

 geol. structure of district, 284-85 ; 

 general erosion of do. 286-88 ; 

 abnormal forms of do., 296-300 

 figs. ; sketch-map of do., pi. xiv. 



Sodium, amt. pres nt in oceanic & 

 fluvial waters, Ixxxix et seqq. 



Solifluction in Falkland Is., ii. 



Sollas, W. J., 571 ; re-elected Pres., 

 xxiii ; [addresses to medallists & 

 recipients of awards], xli et seqq. ; 

 [obituaries of deceased Fellows, 

 &c], 1-lxxx ; on Problems relating 

 to Geological Time, lxxix-cxxii figs. ; 

 [on Zambesi stone -implements], 

 406-407 ; [on cauldron-inbreaks], 

 677. 



Somerset (& Devon), petrography of 

 New Red Sandst. of, 229-45 & 

 pi. xii. 



Soeby, H. C, obituary of, 1-lviii. 



South Wales, correlat. of Ordovic. w. 

 that of Conway, 188 & table facing 

 p. 190; S.W. coalfield, sects, by 

 H. K. Jordan, presented, iii. 



Sparagmite boulders in Cambridge 

 Drift, 255 et seqq. 



Special General Meeting, iv, viii. 



Sphenophyttum cuneifolium, 25. 



Spheno-pteris neuroptcroides, 29 & 

 pi. i. 



Spilite fr. Tourmakeady, 136 & pi v. 



Spirifer attcnuatus, 574 & pi. xxvi. 



aff. clathratus, 574 & pi. xxvi ; 



subzone of, 550, 565. 



Spirifer honinclci, sp. nov., 574-76 & 

 pi. xxvi. 



subcinctus, 576. 



vcrheuili (' Delabole butterfly "), 



266, 269. 277 et seqq. 



Sponge-spicules, in Arenig (Tourma- 

 keady) cherts, 107, 111. 



Spongosphara Iritestacea (!) fr. Arenig 

 rocks of Tourmakeady district. ] 11. 



Srah Bridge (Mayo), 132, 137, 138. 



Sron a' Clioire Odhar-bhig (Argyll), 

 626, 638, 655. 



Sron Garbh (Argyll), 635, 639. 



Sron ua Creise (Argyll), 618, 619, 

 626. 



Starav Granite, 633, 641-42 ; see also 

 Etive Granite. 



Staurolite in New Red Sandst., 234- 

 35. 



Stephanian, 37, 39. 



Sthenurus, sp. nov., 462. 



Stigmaria ficoides, 30. 



Stob Beinn a' Cbriilaiste (Argyll), vole, 

 rocks of, 622, 628, 635, 636, 647-49 

 w. map. 



Stob Coire Dan Lochan (Argyll\ vole, 

 rocks of, 017, 625; sect, through, 

 pi. xxxiii. 



Stob Dearg (Argyll), 622 ; Lr. O. R. S. 

 plants of, 623. 



Stob Mhic Mbartuin (Argyll), 626, 

 628, 631, 632, 636 et seqq. ; 

 boundary- fault, &c. of Glen Coe 

 subsidence, 649-52 figs., 665 ; s. et. 

 to Gleann Charnau, pi. xxxiii. 



Stone-runs in Falkland Is., ii. 



Stony Tarn (Cumberland), junction- 

 breccia, &c. near. 57, 67-69 figs. 



Stoi-es, Miss M. C, Plant-containing 

 Nodules from Japan, considered 

 structurally in their Relation to the 

 'Coal-Balls' and 'Roof-Nodules' 

 of the European Carboniferous, 

 195-205 & pi. ix. 



' Stoping ' process, in upward pro- 

 gression of igueous magmas, 665, 

 673. 



Strahan, A., elected Auditor, vi ; 

 elected Treasurer, xxiii. 



Strain, definition of term, 8, 9. 



Streptis affinis, sp. nov., 151-52 & 

 pi. vi. 



Siress, definition of term, 9. 



Slylonema, subgenus defined, 225. 



(?) hiberniewn, sp. nov., 226 & 



pi. xi. 



(•) prteteriium, sp. nov., 226 & 



pi. xi. 



Subaerial decomposition in the Luano, 

 436-37; subaerial agencies inducing 

 format, of Carb. Limest. terraces in 

 Co. Clare, 541 et seqq. 



