REVIEWS. 
Geological Survey of Canada, Annual Report, Vol. VIII, 1895. By 
G. M. Dawson, Director, Ottawa, 1897. 
This large volume embracing over a thousand pages contains a 
summary report of the work of the geological survey for the year 1896 
by Director Dawson; ‘A report on the Country between Athabasca 
Lake and Churchill River” by J. Burr Tyrrell and D. B. Dowling; “A 
Report on the Geology of a Portion of the Laurentian Area lying to the 
North of the Island of Montreal,” by Frank D. Adams, with appendices; 
“A Report on Explorations in the Labrador Peninsula along the East 
Main, Koksoak, Hamilton, Manicuagan and Portions of other Rivers 
in 1892-5,’ by A. P. Low, with biological, petrological and mineralo- 
gical appendices ; “‘A Report of the Section of Chemistry and Miner- 
alogy,” by G. C. Hoffman ; and of the ‘Section of Mineral Statistics and 
Mines,” by E. D. Ingall. The report is accompanied by numerous maps 
and by photographic and other illustrations. 
The summary by the director possesses the clearness and compre- 
hensiveness which characterize all of Dr. Dawson’s general papers. It 
gives an admirable synoptical review of the widely extended and varied 
enterprises of this great survey. The report of Mr. Tyrrell, and his 
assistant, Mr. Dowling, embraces observations made chiefly in the sum- 
mer of 1892. They cover Recent, Pleistocene, Cretaceous, Keeweenawan, 
Huronian and Laurentian formations, besides topographic, biologic 
and other matters. The most important contributions are those which 
relate to the Athabasca sandstone, which appears to be the equivalent 
of the Keeweenawan of Lake Superior, to the Laurentian gneisses 
and associated formations, and to the Pleistocene deposits. These 
confirm and extend the previous well-known determinations of Mr. Tyr- 
rell in the region west of Hudson Bay. 
Dr. Adams’ discussion of the crystalline rocks north of Montreal 
shows notable progress in the elucidation of the difficult problems of 
that region. Among the most important features are the advances 
made in the discrimination of original igneous gneisses from those of 
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