488 RECENT PUBLICATIONS 



— Stanton, T. W. The Age and Stratigraphic Relations of the "Ceratops Beds" 



of Wyoming and Montana. [Proceedings of the Washington Academy of 



Sciences, Vol. XI, No. 3. Baltimore, August 14, 1909.] 

 — Strong, R. M. Commercial Deductions from Comparisons of Gasoline and 



Alcohol Tests on Internal-Combustion Engines. [U. S. Geological Survey, 



Bulletin 392. Washington, 1909.] 

 — Tarr, R. S. The Yakutat Bay Region, Alaska. Physiography and Glacial 



Geology. Also Areal Geology by R. S. Tarr and B. S. Butler. [U. S. 



Geological Survey, Professional Paper 42. Washington, 1909.] 

 — University of Pittsburg Bulletin. School of Mines Edition, Vol. V, No. 2, 



Announcement for 1909-1910. [Pittsburg, February, 1909.] 

 — Vrooman, F. B. Theodore Roosevelt, Dynamic Geographer. [London and 



New York: Henry Frowde, Oxford University Press, 1909.] 

 • — Watteyne, v., et Stassart, S. Les mines et les explosifs au VII™*^ congres 



international de chimie appliquee a Londres en 1909 avec quelques resultats 



recents des experiences de Frameries. [Extrait des Annales des mines de 



Belgique, tome XIV. Bruxelles, 1909.] 

 — White, I. C. Shortage of Coal in the Northern Appalachian Coal Field. 



[Bulletin of the Geological Society of America. Vol. XX, pp. 333-40. New 



York, September, 1909.] 

 — Wilson, W. J. Reports on a Portion of Algoma and Thunder Bay Districts, 



Ontario, and on the Region Lying North of Lake Superior between the Pic 



and Nipigon Rivers, Ontario, by W. H. Collins. [Canada Department of 



Mines, Geological Survey Branch, Nos. 980 and 1081. Ottawa, 1909.] 

 — Wisconsin Academy of Sciences, Arts and Letters, Transactions of. Vol. XVI, 



Part I, Nos. i, 2, 3, 4, 5, and 6. [Madison, 1908 and 1909.] 

 — Zeitschrift der Gesellschaft fiir Erdkunde zu Berlin, 1908, No. 6. [Berlin.] 



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