1 .2 
The American Geologist. 
December, 1905. 
the geological department Co- 
lumbia i niv. xxxi, 62; (p.s.n.), 
xxxi, 193; Columbia Univer- 
sny, geological department, xxxii 
130. 
Shinaruir.p formation, (Am. com.), 
ii, 267. 
Shinbone ridge. (Texas), Age of 
the strata at, R. T. Hill, vil, 
366. 
Shmneco.k hills and Peconic Bay, 
origin, J. Bryson, xii, 402. 
Shore lines, of ancient Glacial lake, 
J. E. Todd, x, 298; On Mackinac 
Island, b. B. Taylor, (abs.), viii, 
235; Of Tertiary lakes in the 
Black Hills, N. H. Darton, (abs.), 
xxiii, 94. 
Shore development of the Bras 
d'or lakes, J. B. Woodman, xxiv, 
329. 
Shrubsole, G. W., (p.s.n.), xii, 342. 
Shufeldt, R. W., Fossil avifauna of 
Oregon, (abs.), viii, 235. 
Shumard, B. F., Sketch of, (anon.), 
iv, 1; (p.s.n.), xxl, 397. 
Siberian Rivers, possible southward 
flow in the age of the Mammoth, 
Howorth, (abs.), v, 182; Mam- 
motn (p.s.n.), xxix, 128. 
Side light upon coal formation, W. 
S. Gresley. xxiii, 69. 
Siebenthal, C. E., (p.s.n.), xxlv, 
390. 
Sieman's theory of solar heat, 
(rev.), Iv, 184. 
Sierra Nevada mountains. Glacial 
erosion, (p.s.n.). iii, 340; Struc- 
ture of. G. F. Becker, (rev.), 
vii, 201; Volcanic eruption, J. S. 
Diller, (rev.), ix. 265: Strati- 
graphy and succession of the 
rocks, J. E. Mills, (rev.), x, 31S; 
Geological notes on, H. W. Tur- 
ner, xiii, 228, 297; Revolution in 
Topography since the Auriferous 
gravel period, J. S. Dil er. (rev.), 
xiii, 354; Glaciation, an earS} 
date, W. D. Johnson, (abs.), 
xviii, 61. 
Significance, of the White clays of 
the Ohio jpegion, F. Deverett, 
x, IS; Of eruptive debris at Tay- 
lors Falls. N. H. Winchell. 
(abs.). xxi, 136; ditto; xxii, 72; 
Of the term Sierran, O. H. Her- 
shey, xxix, 88. 
Sili'-a in the Bedford limestone. 
W. Knight, xxxvi, 57. 
Silurgebiet C. Wiman, (rev.), xiii 
70. 
Silurian, Biaehiopoda. Beecher and 
Clarke, (rev.), v, 54; System of 
rocks, R. I. Murchison. v, 80; 
Vertebrate life in. (p.s.n.) vii, 
208; New fossils from, J. F. Whit- 
eaves, (rev.), ix, 56: Land plants, 
so-called of Ohio, A. F. Foerste, 
xii, 133; Fauna of Para Bra- 
zil. J. M. Clarke, (rev.), xxiv, 
311; Traquair on fish. (ed. com.), 
xxv, 244; Sediments in Bohemia, 
F. Freeh, (rev. - ), xxvii, 390; In 
Gotland. C. Wiman. (rev.), xxix, 
1 23 : Of Missouri, R. R. Rowley, 
xxxiv, 269. 
Silurischen Craniaden der Ostsee- 
iander, F. Hoyningen-Huene, 
(rev.), xxv, 249. 
Silver, Allotropic forms, Lea, (p.s. 
n.J. iv, 254; Production in Poto- 
si, A. F. Wendt, (rev.), viii, 397. 
Simonds, F. W., Reply to Prof. 
Tan on Cayuga Lake Basin, xiv, 
58; Floating sands. Unusual mode 
of river transportation, xvii, 29; 
Sketch of C. F. Hartt, xix, 69; 
Geology of Texas for decade end- 
ing Dec. 1896, (rev.), xxvii, 57; 
(p.s.n.), xxix, 128; Sketch of F. 
Roemer, xxix, 131. 
Simoon in the northwest, (ed. 
com.), iil, 97. 
Simpson, C. T., Land mollusks of 
the West India region, (rev.), 
xv, ^61 ; (p.s.n.), xvii, 404. 
Simpson, G. B., New species of 
fossils. (n.'V. ), vi, 122; Hand book • 
of the North America Bryozoa, 
(rev.), xx, 33D. 
Sioux quartzite, age of, C. R. 
Keyes, (rev.), xvi, 319; Bever, 
(rev.), xx, 272. 
Siohoneen aus dem Cambrium von 
Schantung, Th. Lorenz, (rev.), 
xxxiii, 383. 
Siphono'-- : ius, New genus. S. A. 
Miller, I, 263. 
Siphuncle of Canadian Endocerati- 
dae, J. F. Whiteaves, xxxv, 23; 
Ditto (rev.), xxxvi, 186. 
Sketch, of George H. Cook, Iv, 321; 
Coastal topography of North Side 
of Lake Superior, A. C. Lawson, 
(rev.), xi, 356, 362; Of Dr. John 
Locke, N. H. Winchell, xiv, 341; 
Of Geology of San Francisco- 
peninsula,. A. C. Lawson, (rev.), 
xvii, 319; Of the historical ge- 
ology of Esmeralda county, Ne- 
vada. H. W. Turner, xxix, 261; 
Of the iron ores of Minn., N. H. 
Winchell, xxix, 154; The life of 
Zadoc Thompson. G. A. Perkins, 
xxix, 65: Of P. von Roemer, F. 
W. Simonds, xxix, 131; Of Mi- 
chael Tuomey, E. A. Smith, xx, 
205; Of the Lake Superior iron 
country, R. D. Williams, (rev.), 
xxxvi, 188. 
Slarpsbackens Dalgang. J. C. Mo- 
berg, (rev.), xxxi, 53. 
Slate-binders of the Pittsburg coal 
beds. W. S. Gresley, xiv, 356. 
Slatter, J. T., (obit.), xvi, 327. 
Smith, C. E., Cornell summer 
school of field geology, (p.s.n.), 
xxx, 396. 
Smith, E. A., Marine Cenozoic, 
(Am. com.), ii, 269; (and L. C. 
Johnson,), Tertiary and Creta- 
ceous in Alabama, (rev.), iv, 
188; Geological map of Ala., 
(rev.), xv, 58; Geology of the 
coastal plain of Ala., (rev.), xv, 
266; (p.s.n.). xvii, 404; Sketch of 
Michael Tuomey, xx, 205; Bio- 
graphical sketch of H. McCalJey, 
xxxv, 198. 
.Smith, E. F., Electro-chemical an- 
alysis, (rev.), vii, 331. 
Smith, G. I., (p.s.n.), xxxiii, 203. 
