124 Tlie American Geologist. August. i89i 
New tlciH'ial Map of tlic Anthracite Region, nivised to 1890. Geol. 
Surv. of Pennsylvania. 
Minos and Mineral Statistics of Michigan, by C. D. Lawlon, Lansing, 
Midi., 18!il. 
II. PmccedimjH of Scientific Societies. 
Proceedintjn and Trims. Roy. Soc. of Conado, Vol. VIII. contains: 
Drift Rocks of Central Ontario, A. P. Coleman : On the density of weak 
A(|iieous Solutions of certain Sulphates, J. G. ;Mac(Jregor: On a pecu- 
liar form of metallic iron found in Huronian quartzyte, on the north 
shore of St. Joseph island. Lake Huron. Ontario, Li. Christian Hoffman; 
Notes on-specimens of nephrite from British Columbia, B.J.Harring- 
ton : On the later physiographical geology of the Rocky Mountain re- 
gion in Canada, with special reference to changes in elevation, and to 
the history of the Glacial Period, George M. Dawson ; On fossil plants 
from the Similkameen valley and other places in the southern interior 
of British Columbia, Sir J. \Vm. Dawson ; Descriptions of some new or 
previously unrecorded species of fossils from the Devonian rocks of 
Manitoba, J. F. Whiteaves: Foraminifera and Radiolaria from the 
Cretaceous of Manitoba, Joseph B. Tyrrell ; The evidence of a Nova 
Scotia Carboniferous conglomerate, E.Gilpin, Jr.; Illustrations of the 
fauna of the St. John group, G. F. Matthew ; Southern invertebrates 
on the shores of Acadia, W. F. Ganong. 
Proceed, of Amer. Forestry Association, at Quebec, Sept. 2-5, 1890, 
and at Washington, Dec. 30, 1890. 
Bui. of the Amer. Geograph. Soc, Vol. XXIII, No. 2, June 30, 1891. 
Orkneys and Shetland, by Prof. C. S. Smith; Proposed Exploration of 
North Greenland, by R. E. Peary; Journeys on Inland Ice. 
III. Papers in Scientific Journals. 
The Ottawa Naturalist, Vol. V, No. 3, contains : On the Nickel and 
Copper Deposits of Sudbury, Ont., by A. E. Barlow. 
The School of Mines Quarterly, April, 1891, contains : On the Genesis 
of Ore-Deposits, by W. H. von Streeruwitz; An Assay Furnace, by 
Herbert Wood; Manufacture of Slag Bricks in Montana, by T. Egles- 
ton ; The Treatment of Copper Slates at Mansfeldt. by T. Eglesion 
(concluded) ; A Brief Review of the Literature on Ore-Deposits, by J. 
F. Kemp (concluded). 
The National Geographic Magazine, May, 1891, contains: An Expe- 
dition to Mount St. Elias, Alaska, by Israel C. Russel. 
The American Naturalist, June, 1891, contains : A Recent Lava- 
Flow in New Mexico, by Ralph S. Tarr. 
The Journal of the Cincinnati Society of Natural History, April, 1891. 
Zoe, April, 1891, contains: A Miocene Shell in the Living State, by 
J. J. Rivers; Use of Broken Pottery Among Indians, by Edward 
Palmer. 
Am. Jour. Sci., July No., contains : Newtonite and Rectorite, two 
new minerals of the Kaolinite group, R. N. Brackett and J. F. Wil- 
liams ; New analyses of astrophyllite tscheflfkinite, L. G. Eakins : Min- 
erals in hollow spherules of rhyolite, from Glade creek, Wyoming. J. P. 
Iddings andS. L. Penfield; Bernardinite : is it a mineral or a fungus? 
