GENERAL INDEX, 



947 



Silurian rocks of the Upper Punjab, 



353. 

 Silurians of the Arctic regions, 557. 

 Silver in Japan, 550. 

 Sinter basins, section of, at Roto- 



Mahana, 171. 

 , block of, 172; deposition of the, 



diagram showing mode of, 176. 

 terraces, Rev. R. Abbay on the 



building-up of the white, of Roto- 



Mahana, 170. 

 Siphodentalium affine, 62. 



curvum, 63. 



Skelgill, section at Lower Footbridge, 



878. 

 Skye, section of Poikilitic beds at Ru 



Geur, near the southern extremity 



of Sleat, in, 692 ; Lower Lias in, 



706; Middle Lias in, 712, 714; 



Lower Oolite of, 720, 721 ; Great 



Estuarine series in, 724 ; Oxford 



Clay in, 726. 

 Slade's .Bridge, trap of, 478. 

 Slapton, quarry in an orchard to the 



south of, 54. 

 Slate, Devonian, between Houghton 



and High Week, Newton Abbot, 



54. 8 

 , syenite and, diagram of junction 



of, in pit south of Enderby, 227. 

 Slaty rocks of Charnwood Forest, 



200. 

 Sleat, section of Poikilitic beds at Ru 



G-eur, near the southern extremity 



of, in Skye, 692. 

 Smeaton quarry, "greenstone" of, 



489. 

 Sollas, W. J., Esq., award of the Wol- 



laston Donation Fund to, Proc. 28. 

 Solva, section through coast south of, 



in St. Bride's Bay, 166. 

 South Petherwin, blue elvan of, 486. 

 Uist, physical features of, 848 ; 



geological structure of, 849 ; glaci- 



ation of, 849 ; roches moutonnees in, 



850 ; till or boulder-clay of, 852 ; 



erratics, moraines, and local glacia- 



tion of, 852 ; freshwater lakes and 



sea-lochs of, 853. 

 Wales, Mr. R. F. Tomes on the 



stratigraphical position of the 



corals of the Lias of the midland and 



western counties of England and of, 



179. 

 Wendron mine, plan of deposit 



at, 651. 

 South-western counties, Mr. W. A. 



E. Ussher on terminal curvature in 



the, 49. 

 Spain, geology of tracts in, adjacent to 



Gibraltar, 511. 



Sphenopteris affinis, Mr. C. W. Peach 

 on the circinate vernation, fructifi- 

 cation, and varieties of, 131. 



Spicka Lane, section across, 881 . 



Spirifera Aldrichi, 634. 



duplicicosta, 628. 



(? granulifera), 634. 



(? Grimesi), 628. 



(? lamellosa), 629. 



ovalis, 629. 



(? pennata), 633. 



Spiriferina cristata, 629. 



Spirorbis carbonarius, 9. 



, var. Hibberti, 3, 4. 



Springs, thermal, Prof. A. Daubree 

 on points of similarity between 

 zeolitic and siliceous incrustations 

 of recent formation by, and those 

 observed in amygdaloids and other 

 altered volcanic rocks, 73. 



Staphylopteris (?) Peachii, Mr. C. W. 

 Peach on, a genus of plants new 

 to British rocks, 131. 



Stiper stones, quartzite of the, 763. 



Stockdale shales, fauna of the, 877. 



Stockworks, tin, Dr. C. Le Neve 

 Foster on some, in Cornwall, 

 654. 



Strait of Georgia, fjords of, 99. 



Strath, Infralias of, 700 ; Lower Lias 

 of, 706. 



Strathaird, Inferior Oolite of, 722. 



Street, section in Lower-Lias beds in 

 Cree's Quarry, 183. 



Strephodes Austini, 587. 



Strep torhynchus crenistria, 632. 



Streptorhynchus ?, 635. 



Striation and rock-polishing in the 

 interior of British Columbia, 100. 



Stromatopora concentrica, 575. 



Strophodonta Feildeni, 598. 



Strophomena euglypha, 597. 



siluriana, 597. 



Submerged forests on the Devonshire 

 coast, 451, 455. 



Submergence, postglacial, of the Outer 

 Hebrides, 865. 



Sulphur in Japan, 555. 



Superficial deposits of British Colum- 

 bia, 100, 107. 



of Gibraltar, probable suc- 

 cession of events during the accu- 

 mulation of, 530. 



of Vancouver Island 



and the coast of British Columbia, 

 95. 



Swathe Fell, section through, 300. 



Syenite and slate, diagram of junc- 

 tion of, in pit south of Enderby, 

 227. 



Syenites of Charnwood Forest, 212, 



