Authors' Catalogue. 255 
Gallaher, John A. 
Preliminary reporrt on the structural and economic geology oi 
Missouri. Report of the Bureau of Geology and Mines, pp. 251. 
Numerous plates, Jefiferson City. 1900. 
Grant, U. S. 
Contact metamorphism of a bnsic igneous rock. (Bull. Geol. Soc. 
Am., vol. II, 503-510. August. 1900.) 
Hall, James. 
Seventeenth annual report of the state geologist, for the year 1897, 
with reports of assistants, pp. 564, plates and maps. Albany. 1899. 
marker, Alfred. 
Igneous rock series and mixed igneous rocks. (Jour. Geol., vol. 
8, July-August, 1900, pp. 389-399.) 
Herrick, C. L. 
Miscellaneous economic papers. (Bull. Univ. New Mex., vol. 21. 
pp. 1-12. 1900.) 
Herrick, C L. 
Papers on the Geology of New Mexico. (Bull. Sci. Lab. Den. 
Univ., vol II, pp. 75-92, Dec. 1898.) 
Herrick, C L. 
Geology of the San Pedro and Albuquerque districts. (Bull. Sci. 
Lab. Den. Univ., vol. 11, pp. 93-116. Dec. 1898.) 
Herrick, C. L. (and D. W. Johnson) 
The geology of the .'Mbuquerque sheet. (Bull. Univ. N. Mex., vol. 
2, pp. 1-67, pis. 32. 1900.) 
Herrick, C L. 
The geology of the white sands of New Mexico. (Bull. Univ. N. 
Mex., vol. 2, 3 plates. 1900.) 
Holland, W.J. 
The vertebral formula in Diplodocus. (Science, vol. 11, new ser., ]>. 
850, June 1900.) 
Johnson, D. W. (C L. Herrick and) 
The geology of the Albuquerque sheet. (Bull. Univ. New Mexico, 
vol. 2, pp. 1-67, 32 plates, 1900.) 
Kemp, J. F. (and D. H. Newland) 
Preliminary report on the geology of Washington, Warren, and 
parts of Essex and Hamilton counties. (17th Ann. Rep., State Geolo- 
gist of New York, pp. SCi-553. plates, 1899.) 
Logan, W. M . 
The stratigraphy and invertebrate faunas of the Jurassic formation 
in the Freeze-out hills of Wyoming. (Kans. Univ. Quart., vol. 9, pp. 
109-134, pis. 25-31. April, 1900.) 
Merrill, Geo. P. 
Sandstone disintegration through the formation of interstitial gyp- 
sum. (Science, vol. 11, new ser., p. 850, June, 1900.) 
