252 The American Geologist. 
April, 190.') 
BECKER, GEO. F. 
Present Problems Jt Geophysics. (Am. Geol., vol. 35, pp. 4-23, 
Jan., 1905.) 
BIBBINS, ARTHUR. 
The buried Cypress forests of the upper Chesapeake. (Rec. 
Past, vol. 4, p. 47, Feb., 1905.) 
BLEININGER, A. V. 
The manufacture of hydraulic cement. Bull. 3, Ohio Geol. Sur., 
pp. 10-391, Columbus, 1904. 
CAMPBELL, M. A. (See PARKER, E. W.) 
CHAMBERLIN, T. C. 
Fundamental Problems of Geology. (Year book No. 3, Carne- 
gie Institution, pp. 195-258, 1905.) 
COLE, LEON J. 
The Delta of the St. Clair River. (Geol. Sur. of Mich., vol. 9, 
Part I, pp. 28, pts, 1-4, 1903). 
CROSS, WHITMAN (and ERNEST HOWE). 
The Red Beds of southwestern Colorado. (Science, vol. 21, p. 
349, Mar. 3, 1905.) 
DALE, T. NELSON. 
Geologv of the Hudson Valley between the Hoosic and the 
Kinderhook. Bull. No. 242, U. S. G. S., pp. 63, 1904, map and plate. 
DALL, W. T. 
Notes on the fossils of the Bahamas. (Science, vol. 21, p. 390, 
Mar. 10, 1905.) 
DALY, R, A. 
Machine-made line Drawings for the Illustration of Scientific 
Papers. (Am. Jour. Sci., vol. 19, March, 1905.) 
EMERSON, B. K. 
Notes on some rocks and minerals from North Greenland and 
Frobisher bay. (Am. Geol., vol. 35, pp. 94-104, plate, Feb., 1904.) 
FULLER, M. L. 
Pleistocene history of Fishers island, N. Y. (Am. Geo!.' 
vol. 35, p. 51, Jan., 1905.) 
GLENN, L. C. 
Gerard Troost, (portrait). (Am. Geol., vol. 35, pp. 72-94, Feb., 
1905.) 
GRATON, A. C. 
Consanguinity in the eruptive rocks of Cripple Creek. (Science, 
vol. 21, p. 391, Mar. 10, 1905.) 
GRIMSLEY, C. P. 
The Gypsum of Michigan and the Plaster Industry. (Geol. Sur. 
Mich., vol. 9, Part 2, pp. 243, pis, 29, 1903.) 
HALL, CHAS. M. (and D. E. WILLARD). 
Description of Casselton and Fargo Quadrangles. U. S. Geo- 
logic Atlas Folio 117, 1905. 
