Author's Catalogue. 259 
MONTHLY AUTHOR'S CATALOGUE 
OF AMERICAN GEOLOGICAL LITERATURE 
ARRANGED ALPHABETICALLY. 
ADAMS, THOg. K. 
Lower productive coal measures of the bituminous regions of 
Pennsylvania, the importance of a knowledge of their characteristic 
features. (Mines and Minerals, vol. 23, pp. 348-352, March, 1903.) 
ALDEN, W. C. 
Description of the Chicago district. IT. S. G. S., Chicago folio, 
No. 81, Geologic Atlas, 1902. 
CAMPBELL, M. R. 
Description of the Masontown-Uniontown quadrangles. U. S. G. 
S., Geol. Atlas, Folio No. 82, 1902. 
CASE, E. C. 
The structure and relationships of the American Pelycosauria.' 
(Am. Nat., vol. 37, Feb., 1903, pp. 85-102.) 
CASE, E. C. 
The osteology of Embolophorus Dollovianus (?) Cope, with an 
attempted restoration. (Jour. Geol., vol. 11, pp. 1-28, Jan. -Feb., 
1903.) 
CHAMBERLIN, T. C. 
Criteria requisite for the reference of relics to a glacial age. 
(Jour. Geol., vol. 11, pp. 64-85, Jan.-Feb., 1903.) 
CLAPP, F. G. (M. L. FULLER and). 
The marl-loess of the lower Wabash valley. (Am. Geol., vol. 
31, p. 158, Max., 1903.) 
FOERSTE, ANG. F. 
The Cincinnati Group in western Tennessee, between the Ten- 
nessee river and the Central Basin. (Jour. Geol., vol. 11, pp. 29-45, 
Jan.-Feb., 1903.) 
FULLER, M. L. (and F. G. CLAPP). 
The marl-loess of the lower Wabash valley. (Am. Geol., vol. 
31, p. 158, Mar., 1903.) 
ECKEL, E. C. 
Tests of the cement made by the state engineer during 1897- 
1900. (Appendix in Bull. No. 44, N. Y. State Mus., 1901.) 
ECKEL, E. C. (and H. RIES). 
Tables of analyses of limestones in the United States. (Ap- 
pendix in Bull. No 44, N. Y. State Mus., 1901.) 
ECKEL, E. C. 
IGarly history of the Portland cement industry in New York 
state. (Appendix in Bull. No. 44, N. Y. State Mus., 1901.) 
