Aiitliors' Catalogue. 387 
Brooks, A. H. (F. C. Schrader and) 
Preliminary report on the Cape Nome Gold region, Alaska. U. 
S. Geol. Sur., pp. 56, 3 maps, ig plates, 1900. 
Brooks, A. H. (C. W. Hayes and) 
Ice cliffs on the White river, Yukon Territory. (Nat. Geog. Mag., 
vol. II, pp. 199-202, May, 1900.) 
Buckley, E. R. 
The properties of building Stones and methods of determining 
their value. (Jour. Geol., vol. 8, pp. 160-185, Feb.-^Mar. 1900.) 
Clements, J. IVl. (and H. L. Smyth). 
The Crystal Falls Iron Bearing district of Michigan. (19th Ann. 
Rep., Part III, U. S. G. S., pp. 8-83, pis. i-xi, 1899.) 
Crosby, W. O. 
On the origin of phenocrysts and the development of the porphy- 
ritic texture in igneous rocks. (Am. Geol., vol. 25, pp. 299-309, May. 
1900.) 
Curtis, G. C. (G. O. Smith and) 
Camasland: a valley remnant. (Bull. G. S. A., vol. 11, pp. 217-222, 
April, 1900.) 
Dale, T. Nelson. 
The slate belt of eastern New York and western Vermont. (19th 
Ann. Rep., U. S. G. S., Part III, pp. 159-307, pis. xii-xli, 1899.) 
Daly, R. A. 
The calcareous concretions of Kettle- point, Lampton county, On- 
tario. (Jour. Geol., vol. 8, pp. 135-150, Feb.-Mar. 1900.) 
Davidson, George. 
Lynn canal and Taiya inlet, a chapter in the physical geography 
of southeastern Alaska. (Bull. Geog. Soc, Phil., vol. 2, pp. 108-114, 
Mar. 1900.) 
Davis, W. M. 
Fault Scarp in the Tepini mountains. (Bull. Geol. Soc. Am., vol. 
Ti, pp. 207-216, pis. 18-19, Apr. 1900.) 
Day, David T. 
Mineral resources of the United States, 1898. ^Ictallic products. 
Coal and Coke. (20th Ann. Rep., U. S. G. S., Part VI, 616 pp., 
1899-) 
Day, David T. 
Mineral resources of the United States, 1898. Non-metallic pro- 
ducts, except coal and coke. (20th Ann. Rep., U. S. G. S., Part VII, 
pp. 804, 1899.) 
Day, W. C. 
The coal and pitch coal of the Newport mine. (19th Ann. Rep., 
U. S. G. S., Part III, pp. 370-376, 1900.) 
Diller, J. S. 
The Coos bay coal field, Oregon, (iglh Ann. Rep., U. S. G. S., 
Part III, pp. 315-370, pis. xlii-liv, 1900.) 
