VI Contents. 
Review of Recent Geological Literature—Tenth annual report of the 
United States Geological Survey to the Secretary of the Interior, 
J. W. PowE 1, 337.— Mount St. Elias and its glaciers, I. C. RussEux, 
340.—Parka decipiens, J. W. Dawson and Pror. D. P. PENHAL- 
LOW, 341.—Altitudes between lake Superior and the Rocky Moun- 
tains, WAR EN UPHAM, 541.—Viscosity of solids, CARL Barus, 342. 
—The minerals of North Carolina, FREDERICK A. GENTH, 342.— 
Record of North American Geology for 1887 to 1889, N. H. Dar- 
TON, 342.—A dictionary of altitydes in the United States, HENRY 
GANNETT, 342.—Travels amongst the great Andes of the Equator, 
EpwakD WHyYMPER, 343.—The genus Lituites, Breyn, Dr. G 
Hom, 343. 
Recent Publications, 343. 
Correspondence. —-The deltas of the Mohawk, F. B. Taytor, 344.—A cor- 
rection; the geology of Buchanan county, Towa, 8. CALVIN, 345. 
Personal avd Scientific News, 346. 
JUNE NUMBER. 
The Double Mountain Section [Illustrated]. E. T. Dum- 
BLE. and W. F. Cummins oe 4 347 
Prof. I. C. White's CS of the Sitamnde Coal 
Field of Pennsylvania, Ohio and West Virginia, 
JOHN J. STEVENSON. ne : 352 
Note on the differences ataeek Acoumien ia aa Hall 
and Acervularia davidsoni, Ep. and H. 8. CALvin.. 3090 
The Kawishiwin Ageglomerate at my Minn.  pnseaatante 
NCW ENGR: «ost cee a : 4 ee Boo x. 
A new species of Larix from the Tnteemtacial of ‘Manitoba: 
DE VP EN TaATDOW ss «sate ay = bt ene 368 
Gold in Placers iinetrated]. Heseeer R. Woon! seeks tede 371 
On the North American Species of the Genus ai: 
[Wustrated], A. W. -VoGDpESmaeee- Bert MENS ois 
Striation of Rocks by River Ice. J. EE. oun. Rr a to 396 
Review of Recent Geological Literature —Bulletin of t the Gea ‘Sau Am., 
400.—The Labrador Coast; Journal of a Summer Cruise, A. S. 
PackKaRpD, 401 Exploration on Grand river, Labrador, AUSTIN 
Cary, 402.—On the Osteology of Mesohippus, and Leptomeryz, with 
observations on the Modes and Factors of Evolution in the 
Mammalia, W. B. Scorr, 402. 
Recent Publications........ see delete sbabeieremetetsiete lebe:si< on j .. 404 
Correspondence —Rocks of fie Niapard Age in Indiana, C. '§ Bracuumms 
409.—Prizes awarded by the Boston Society of "Natural History; 
S. Hensuaw, 409.—Deltas of the Hudson and Mohawk valleys, 
WARREN U PITAM, 410. 
Personal and Scientific News... osven: ccna emses sugiesess sus von ANE 
ERRATA. 
Vol. VIIIL., page 353, eighth line form the bottom, for ‘‘costal”’ 
read coastal. 
Vol. VIII., page 279, fourteenth line from the bottom, for 
‘cwas”’ read were. 
