CAKTKII : CLASSIFIKI) INDKX. 141 
Solby, Henry Clifton, F.R.S., F.G.S.— On the Crag Deposit at Brid- 
lington, and tlie ^Microscopic Fossils occurring in it . . IJl. .I.IO 
Sorby, Henry Clifton, F.R.S., F.G.S.— On the Motions of Waves, 
as Illustrating the Structure and Formation of Stratified 
Rocks .. .. .. .. .. 111. 37-2 
Sorby, H. C, F.R.S., F.G.S. — On the Temperature of the Springs in 
the Neighbourliood of Sheffield IV. 40 
Sorby, H. C. F.R.S., F.G.S. —On the Microscopical Structure of Mount 
Sorrel Syenite, artificially fused and cooled slowly .. 1\ . 
Sorby, H. C, F.R.S.. F.G.S.— On Impressed Limestone Pebbles, as 
Illustrating a New Principle in Chemical Geology . . IV. 458 
Sorby, H. C, F.R.S., F.G.S.— On a Xew Method of Studying the 
Optical Characters of Minerals . . VII. .) 
Sorby, H. C, F.R.S., F.G.S.— On some Remarkable Properties of the 
Characteristic Con.stituents of Steel IX. 145 
Speight, E. E., B.A. — Upper Wharfedale Exploration Committee : 
First Annual Report (1893) .. XIJ. 374 
Spencer, James. — On Astromyelon and its Affinities . . VII. 43!) 
Spencer, James. — On the Occurrence of a Boulder of Granitoid Gneiss, 
or Gneissoid Granite, in the Halifax Hard P»ed Coal. . XI. 10 
Spencer, James. — On the Affinity of Dadoxylon to Cordaites XII. 95 
Spencer, James. — On the Geology of Calderdale. . . . XII. 3(59 
Spencer, James. — The Halifax Coal Strata .. .. XIII. 3(>i 
Spencer, James. — The Yoredale and Millstone Grit Rocks of the 
Upper Calder Valley and their Fossils . . . . XIII. 375 
Spink, J. — Lake Dwellings in the Vale of Pickering . . XIII. J I 
Stather, John W.. F.G.S. — X\jtes on the Drift of the Humber Gap 
XIII. -ill 
Stather, John W., F.G.S.— A Glaciated Surface at Filey . . XIII. 34(5 
Stather, John W., F.G.S.— Xotes on East Yorkshire Boulders XIV. ii37 
Stather, John W., F.G.S.— A Striated Surface near Sandsend XIV. 4S4 
Stears, John. — Xotes on a Well-boring at Ganstead, near Hull XIII. 88 
Stocks, H. B. — On the Composition of the Coal Balls and Bamn Pots 
in the Lower Coal Pleasures . . . . VIII. 393 
Stocks, H. B. — Analysis of a Hydraulic Limestone Concretion from 
the Yorkshire Coast, with Remarks on Concretions generally 
IX. 55 
Stocks, H. B. — On a Concretion called Acrespire . . . . IX. 149 
Strangways, C. Fox, F.G.S. — The Harrogate Wells, or the Mineral 
W^aters of Harrogate, Geologically considered . . VIII. 319 
Strangways, C. Fox, F.G.S. — Glacial Phenomena near York XIII. 15 
Strangways, C. Fox, F.G.S. — Xotes on tlie Coast between Redcar and 
Scarborough . . . . . . . . . . XIII. -248 
Strangways, C. Fox, F.G.S.— Filey Bay and Brigg . . XIII. 338 
Strangways, C. Fox, F.G.S. — Xotes on the Coast Sections between 
Hayburn Wyke and Filey . . . . . . XIII. 35(5 
