RECENT PUBLICATIONS 725 
—SMITH, WILLIAM. S. TANGIER. Some Aspects of Erosion in Relation to 
the Theory of the Peneplain. Bulletin of the Department of Geology 
of the University of California, Vol. 2, No. 6, pp. 155-178. Berkeley, 
1899. 
—TAYLOR, FRANK BURSLEY. The Great Ice Dams of Lakes Maumee, 
Whittlesey, and Warren. From the American Geologist, Vol. XXIV, 
July 1899. 
—UssinG, N. V. Sandstengangei Granit paa Bornholm. K¢@benhavn, 1899. 
