386 The American Geologist. June, 1904. 
COMSTOCK, F. M. 
Ancient lake beaches on the islands in Georgian bay. (Am. Geol., 
vol 33, p. 312, Maj^ 1904.) 
COSTE, EUGENE. 
A Canadian bureau of mining. (Ehg-. Min. Jour., vol. 77, Apr 28 
1904.) 
CROSBY, W. O. 
Memoir of Alpheus Hyatt. (Bull. G. S. A., vol. 14, pp. 504-512, 
1903.) 
BRANNER, J. C. 
Memoir of James E. Mills. (Bull. G. S. A., vol. 14, pp. 512-517, 
1903.) 
DALE, T. NELSON. 
Notes on Arkansas roofing- slates. (Bull. 225, U. S. Geol. Sur., pp. 
414-417, 1904.) 
DAVIS, W. M. 
The "Blue Ridge" of North Carolina. (Bull. G. S. A., vol. 14, p. 
543, abstract, 1903.) 
DAVIS, W. M. 
Fresh-water Tertiaries at Green River, Wyoming. (Bull. G. S. A., 
vol. 14, p. 554, bstract, 1903.) 
DAVIS, W. M. 
Block inountains of the basin range province. (Bull. G. S. A., vol, 
24, p. 551, abstract, 1903.) 
DILLER, J. S. 
Mining and mineral resources in the Redding quadrangle in 1903. 
(Bull. 225, U. S. Geol. Sur., pp. 169-180, 1904.) 
DRESSER, J. A. 
The geology of Brome mountain, one of the Monteregian hills. 
(Am. bJur. Sci., vol. 17, May, 1904, pp. 347-359.) 
DRESSEiR, JOHN A. 
Report on the Geology and Petrography of ShefEord mountain, 
Quebec^. (Geol. Sur. Can., Am. Rep., Part L, vol. 13, 1902.) 
EASTMAN, C. R. 
Marginal and ridge scales in Cephalaspis and Drepanaspis. (Sci- 
ence, vol. 19, p. 703, Apr. 29, 1904.) 
ECKEL, E. C. 
Cement-rock deposits of the Lehigh district. (Bull. 225, U. S. 
Geol. Sur., pp. 448-457, 1904.) 
ECKEL, E. C. 
Salt industry of Utah and California. (Bull. 225, U. S. Geol. Sur., 
pp. 488-496, 1904.) . ■ 
ECKEL, E. C. 
Slate deposits of California and Utah. (Bull. 225, U. S. Geol. Sur., 
pp. 417-423, 1304.) 
