Index. 
St. Michael’s Mount, 
E. H. Davison, 90. 
Sargent, H. C., Carboniferous Cherts 
in Derbyshire, 265. 
Scientific Societies, Conjoint Boards’ 
Fourth Report, 291. 
Sedimentation in the Eocene, L. 
Dudley Stamp, 108, 146, 194. 
Seismology, Founders of, ‘“ John 
Michell,’? Charles Davison, 98. 
“John Milne,” Charles 
Davison, 385. 
“Robert Mallet,’? Charles 
Davison, 241. 
Manual of, Charles Davison, 
Geology of, 
130. 
Shand; S: Ji; 
Petrology, 191. 
Shenley Hill, Echinoids from, Herbert 
L. Hawkins, 57. 
Limestone, 
Lamplugh, 140. 
Sherborn, C. Davies, Index of the 
Genera and Species of Animals, 2. 
Sherlock, R. L., British Iron Ores, 
86. 
Silica Percentages of Igneous Rocks, 
V. A. Eyles & J. B. Simpson, 436. 
Silvester, Norman L., “‘ Lissons,”’ 237. 
Simpson, J. B., Silica Percentages of 
Igneous Rocks, 436. 
Skeats, E. W., Coral Reef Problem, 
186. 
Smith, Bernard, Lead and Zine Ores 
in Carboniferous Recks of N. Wales, 
523. 
Dr. Stanley, 
Nomenclature of 
Age of, G W. 
Professorship, 
Kingston, Ontario, 434; Wacker- | 
field Dyke, Co. Durham, 440. 
W. Campbell, Rocks of Darfur, 
206; Minerals from Leadhills, 558. 
Scuth Wales Coalfield, Geology of, 
E. E. L. Dixon, 478. 
Spath, L. F., Ammonites from Spits- 
bergen, 297, 347. 
Spencer, L. J., Tin or Stannous 
Sulphide, 136 ; Biographical Notices 
of deceased Mineralogists, 558. 
Spitsbergen, Ammonites from, L. F. 
Spath, 297, 347. 
Central, Geology of, J. W. 
Gregory, 295. 
Geology of, Dr. Robert 
Campbell, 235. 
Scenery of, H. M. Cadell, 135. 
Topography of, John Mathieson, 
134. 
Stimangal Earthquake of 
Murray Stuart, 281. 
Staddon Grits, J ohn W. Evans, 239. 
1918, 
567 
Stamme der Wirbelthiere, O. Abel, 
45. 
Stamp, L. Dudley, Cycles of Sedi- 
mentation in the Eocene, 108. 
146, 194; Geology of Belgium, 333 
Strahan, Sir A., British Iron Ores, 
86. 
Stratigraphical Divisions, Representa- 
tion by Shading, J. W. Evans, 40. 
Stuart, Murray, Srimangal Earth- 
quake of 1918, 28]. 
Sulphides and Silicates, J. H. L. 
Vogt, 87. 
Swinnerton, H. H., Use of Graphs 
in Paleontology, 357, 397. 
ERTIARY Gravels in Aberdeen- 
I shire, J. S. Flett & H. H. Read, 
215. 
Tikonowitch, Marguerite N., Platinum 
Deposits of the World, 184. 
Tilley, C. E., Magnesian Groups of 
Teneous Rocks, 559 ; Pre-Cambrian 
Para-Gneisses in 8. Australia, 251, 
305. 
Tin in Bolivia, W. Myron Davy, 382. 
Resources of British Empire, 
N. M. Penzer, 381. 
—— and Stannous Sulphide, L. J. 
Spencer, 136. 
Tcpographic Maps and Sketch Map- 
ping, J. K. Finch, 281. 
Trechmann, C. T., Brachiopods Lower 
Magnesian Limestone, Durham, 
538. 
Trilobites, Appendages, Anatomy, 
and pe Uou snips Of elnercyaamls 
Raymond, 52 
| Troedsson, G., teenie Shales of 
Seania, 233, 
itaneaen, Arthur E., Every Boy’s 
Book of Geology, 230. 
| Tungsten Ores, R. H. Rastall & W. H. 
Wilcockson, 554. 
Tyrrell, G. W., Some Points in 
Petrographic Nomenclature, 494. 
PPER lLias, Ammonites, IL. 
Richardson, 426. 
ARNEY, W. D., Geological 
V History of Pewsey Vale, 288. 
Vogt, J. H. I., Sulphides and Silicates, 
87. 
| Voleanic Vent, Weak Law, Gullane, 
T. Cuthbert Day, 92. 
ACKERFIELD Dyke, Co. Dur- 
ham, A. Holmes & 8. Smith, 440. 
| Wadia, D. N., Geology of India, 81. 
