VI Contents. 
An Introduction to the Study of Mammals, Living and Extinct, W. 
H. Flowkr and R. Lydekker, 353. — The Geological and Natural 
History Survey of Minnesota, Twentieth Annual Report, for 1891, 
N. H. WiNCHELL, 354. — The Mesabi Iron Range, Horace V. Win- 
CHELT., 355.- Sketch of the Coastal Topography of the North Side 
of Lake Superior with special reference to the abandoned Strands 
of Lake Warren, Andrew C. Lawson, 356. — American Meteoro- 
logical Journal, 357. — Geologic Atlas of the United States, 357. — 
Sur la constitution des depots quaternaires en Russle et leurs re- 
lations aux trouvailles resultant de I'activite de I'homme prehistor- 
ique, 8. Nikitix, 357. — Geology and mineral resources of Kansas, 
Robert Hay, 359. — The Eocene and Oligocene beds of the Paris 
basin, George F. Harris and Henry W. Burrows, 359. — Correla- 
tion of British and continental Tertiary strata, George F. Har- 
ris, 360. — Revision of British Cainozoic Echinoidea, J. Walteu 
Gregory, 360. 
Correspondence. — The Older Drift in the Delaware Valley, R. D. Salis- 
bury, 360. — Terraces of Lake Warren, and Obituary Notices, by 
Jules Marcou, 362, 363. 
Personal and Scientific News. — Geological Surveys of Missouri, Minne- 
sota,Michigan and Georgia,364. Apatite in Norbotten,Norway,364. 
JUNE NUMBER. 
A new Fungus from the Coal Measures, H. Herzer. [Plate 
IX.] 365 
Recent changes in the Muir Glacier, S. Prentiss Baldwin. 366 
Tucumcari Mountain, W. F. Cummins. [Illustrated.].... 375 
Note on an Augite Soda-granite from Minnesota, U. S. Grant 383 
Bibliography' of North American Vertebrate Paleontology 
for the year 1892, John Everman 388 
Drift Mounds near Olympia, Washington, G. 0. Rogers. . 393 
The Generic evolution of the Paleozoic Brachiopoda, Ag- 
nes Crane 400 
An Extinct glacier of the Salmon River range, Geo. H. Stone 406 
Revieiv of Recent Oeological Literature. — Elements de Pal^ontologie, 
Felix Bernard, 410. — Finite homogenous strain, flow and rupture 
of rocks, George F. Becker, 411. — The thickness of the Devonian 
and Silurian Rocks of Central New York, C. S. Pros.'^er, 411. — A 
new Tteniopteroid Fern and its allies, David White, 412. — Some 
elements of Land Sculpture, L. E. Hicks, 412. — Some Dynamic 
and Metasomatic phenomena in a metamorphic conglomerate in 
the Green mountains. Chas. Livy Whittle, 412. — Notes on a lit- 
tle known region in Northwestern Montana, G. E. Culver, 412. — 
Estimates of Geologic time, Warken Upham. 413. — The Glacial 
succession in Ohio, Frank Leverett, 413. — The Moon's Face, a 
study of the origin of its Features, G. K. Gilbert, 415. — Geograph- 
ical illustrations; suggestions for teaching Physical Geography, 
based on the physical features of New England, W. M. Davis, 416. 
— Ytbildningar i ryska och finska Karelen med siirskild Lansyn till 
de Karelsen randmoranerna, J. E. Rosberg, 416. 
Recent Publications, 416. 
Correspondence. — Note on a fall of Volcanic Dust in the South Atlantic 
Ocean, Charles Palache, 422. — Beltrami Island of lake Agassiz, 
Warren Upham, 423. — Mesozoic granite in Plumas county, Cali- 
fornia, and the Calaveras formation, H. W. Turner, 425. 
Personal and SciatiUfic News, 426. 
Ijidex of Vol. XI, 427. 
