Authors' Catalogue, 241 
Bain, H. F. 
The Aftonian and pre-Kansan deposits in southwestern Iowa. 
(Interglacial deposits in Iowa: A symposium presented at the Iowa 
Academy of Sciences, Des Moines, Iowa, Dec. 28, 1897; pp. 23-38, i 
map, 3 pis. Reprinted from Proc. Iowa Acad. Sci., vol. 5, 1898.) 
Bain, H. F. 
Geology of Plymouth county [Iowa]. (Iowa G€ol. Survey, vol. 
8, pp. 315-366, pis. 25-29, I map, 1898.) 
Bain, H. F. 
Properties and tests of Iowa building stones. (Iowa Geol. Survey, 
vol. 8, pp. 367-416, pis. 30-32, 1898.) 
Bishop, I. P. 
The structure and economic geology of Erie county [New York]. 
(15th Ann. Rept. State Geol. of New York, pp. 305-392, 16 pis. 6 maps, 
1897.) 
Butts, Edward. 
Description of some new species of crinoids from the Upper Coal 
Measures of the Carboniferous age at Kansas City, Missouri. (Trans. 
Acad. Sci. of Kansas City, vol. i, pp. 13-15. Apr. 12, 1898.) 
Calvin, Samuel. 
The interglacial deposits of northeastern Iowa. (Interglacial de- 
posits in Iowa: A symposium presented at the Iowa Academy of 
Sciences, Des Moines, Iowa, Dec. 28, 1897; pp. 1-7. Reprinted from 
Proc. Iowa Acad. Sci.. vol. 5, 1898.) 
Calvin, Samuel. 
Geology of Delaware county [Iowa]. (Iowa Geol. Survey, vol. 8, 
pp. 1 19-192, pis. 7-13, I map, 1898.) 
Calvin, Samuel. 
Geology of Buchanan county [Iowa]. (Iowa Geol. Survey, vol. 8, 
pp. 201-253, pis. 14-20, I map, 1898.) 
Case, E. C. 
The development and geological relations of the vertebrates. 
Pt. II. Amphibia. Pt. III. Reptilia. (Jour. Geol. vol. 6, pp. 500- 
523, July-Aug., 1898.) 
Chamberlin, T. C. 
The ulterior basis of time divisions and the classification of geol- 
ogic history. (Jour. Geol. vol. 6, pp. 449-462, July-Aug., 1898.) 
Clarke, J. M. 
The stratigraphic and faunal relations of the Oneota sandstones and 
shales, the Ithaca and Portage groups in central New York. (15th 
Ann. Rept. State Geol. of New York, pp. 27-81, 7 pis, 2 maps, 1897.) 
Clarke, J. M. 
Notes on some crustaceans from the Chemung group of New 
York. (15th Ann. Rept. State Geol. of New York, pp. 729-738, 1897.) 
Cushing, H. P. 
Report on the geology of Clinton county [New York]. (15th Ann. 
Rept. State Geol. of New York, pp. 499-573, 5 pis., 1897.) 
