Contents. v 
New Occurrences of Parallel IntergrowthB of the Min- 
erals Allanite and Epidote. Wm. H. Hobbs 2 18 
Note on Cretaceous in northern Minnesota. H. Y. 
Winchell 220 
Reviews of the Ice age at the World's Congress on Ge- 
ology 2 23 
A Diagonal Moraine. Fred. G. Plummer 231 
He in arks on Specific Characters of Orthoeeras. An;. 
F. Foerste. [Illustrated,] 2:52 
The Mineral Deposits of southwest Wisconsin. W. P. 
Blake 287 
A new Cycad. T. H. Mac-bride. [ Illustrated.] 24s 
Editorial Comment. — The Columbian Exposition, Geological Maps, 
250.— Auxology, 257. 
Review of Recent Geological Literature. — Eleventh Annual Report of 
the U. S. Geol. Survey, J. W. Powell, 259. — Mineral Resources of 
the United States, calendar year 1891, David T. Day, 260. — Sec- 
ond Report of the Bureau of Mines for the Province of Ontario, 
Archibald Blue, 260. — Geology of Colorado and Western Ore De- 
posits, Arthur Lakes, 261. — Ueber angebliche Spongien aus deni 
Archaicum, Hermann Rauff, 261. — The Development of the Shell 
of Zygospira recurvirostra, Chas. Schuchert, 262. — Annotated 
Bibliography of Palaeozoic Crustacea, A. W. Vogdes, 262. — The 
Geology of Carmelo Bay, A. C. Lawson and J. C. Posada, 262 — 
The Soda-Rhyolite north of Berkeley, Chas. Palache, 263. — Geol- 
ogy of the Eureka District, Nevada, Arnold Hague, 264. — The 
Geology of Queensland and New Guinea, R. L. Jack and R. Eth- 
eridge, Jr., 266. — Geological Survey of Georgia, J. W. Spencer, 
267.— Ore Deposits of the United States, Jas. F. Kemp. 268. 
Recent Publications, 270. 
( 'nirespondence, 270. 
Personal and Scientific Xeu-s, 271. 
NOVEMBER NUMBER. 
On three new Species of Dinichthys. E. W. Clatpole. 
[Illustrated. ] * 275 
An attempt to estimate the Thickness of the Ice-blocks 
which gave rise to Lakelets and Kettle-holes. J. 
B. WpoDWORTH. [Illustrated. I 279 
Observations along the Valley of Grand river, Michi- 
gan. E. H.Mudge ' I'M 
A new Fungus from the Coal Measures. II. HERZER. 
[Illustrated. | 289 
The terms of Bioplastology. A. Hyatt 2!M) 
Description of some new species of Crinoids. Blastoids 
and Brachiopods from the Devonian and Sub-Car- 
boniferous rocks of Missouri. K. H. Rowley. [Il- 
lustrated. | MKl 
The Kent Section and Gryphaea Tucumcarii Rfarcou. 
E. T. Dumble and W'.V. Cummins 309 
