Author's Catalogue. igi 
ORTMAN, A. E. 
The geographical distribution of fresh-water decapods and its 
hearing upon ancient geography. (Proc. Am. Ph. See, Vol. 41, April- 
Dec, 1902, pp. 267-393.) 
PETERSON, C. A. 
The Clayton stone ax. (Rec. Past., vol. 2, Jan., 1903, p. 26.) 
PRATT, J. H . 
The mining industry in North Carolina during 1901. N. C. Geol. 
Surv., Economic paper, No. 6, pp. 102, 1902. 
RANSOME, F. L. 
A report on the economic geology of the Silverton quadrangle, 
Colorado. Bull. 182, U. S. G. S., pp. 258, pis. 15, 1901. 
RANSOME, F. L. 
The ore deposits of the Rico mountains, Colorado. ((22 Ann. Rep., 
U. S. G. S., Part 2, pp. 231-397, pis. 26-39, 1901.) 
REAGAN, A. B. 
Geology of the Jemez — Albuquerque region, New Mexico. (Am. 
Geol., vol. 31, pp. 67-111, Feb., 1903, pis. 4-10.) 
RUSSELL, I. C. 
Geology and water resources of the Snake river plains of Idaho. 
Bull. 199, U. S. G. S., pp. 192. pis. 25, 1902. 
RUSSELL, \. 0. 
Timber lines. (Am. Geol., vol. 31, Feb., 1903. v. 121.) 
RUSSELL, I. C. 
The Portland cement industry in Michigan. (22 Ann. Rep., U. S. 
G. S., 1901, part 3, pp. 629-687, pis. 44-46.) 
SCHUCHERT, CHAS. 
On the lower Devonic and Ontaric formations of Maryland. (Proc. 
U. S. Nat. Mus., vol., 26, pp. 413-424, 1903.) 
SCHUCHERT, CHAS. 
Morse on living tarachiopods. (Am. Geol., vol. 31, pp. 112-121, 
Feb., 1903.) 
SINCLAIR, W. J. 
Mylagar.odon, a new rodent from the upper -Toi^n Day, of Oregon. 
(Am. Jour. Sci., Vol. 15, Feb., 1903, pp. 143-145.) 
SMITH, G. O., 
The Pacific coast coal fields. (22 Ann. Rep., U. S. G. S., 1901, part 
3, pp. 473-515, pis. 31-34.) 
STOEK, H. H. 
The Pennsylvania anthracite coal fields. (22 Ann. Rep., U. S. G. S., 
1901, part 3, pp. 'iS-llG, pis. 6-10.) 
STORRS, L. S. 
The Rocky mountain coal field. (22 Ann. Rep., U. S. G. S., 1901, 
part 3, pp. 415-473, pis. 29-30.) 
TAFF, J. A. 
Chalk of southwestern Arkansas, with notes on its adaptability 
to the manufacture of hydraulic cements. (22 Ann. Rep., U. S. G. S.,. 
1901, part 3, pp. 687-742, pis. 47-53.) 
