Authors' Catalogue. 199 
Gilbert, J. Z. 
On the skull of Xerobates (?) undata Cope. (Kansas Univ. Quar- 
terly, vol. 7, ser. A, pp. 143-148, July 1898.) 
Gill, Theodore. 
Edward Drinker Cope, naturalist — A chapter in the history of 
science. (Proc. A. A. A. S., vol. 46, pp. 1-30, June 1898.) 
Hay, O. P. 
George Baur. (Science, new ser., vol. 8, pp. 68-71, July 15, 1898.) 
Hershey, O. H. 
Notes on the geology of Jamaica. (Science, new sen, vol. 8, pp. 
154-155, Aug. 5, 1898.) 
Hershey, O. H. 
Raised shoe-lines on cape Maysi, Cuba. (Science, new ser., vol. 8, 
pp. 179-180, Aug. 12, 1898.) 
Hollick. Arthur. 
Geological notes. Long island and Block island. (Trans. N. Y. 
Acad. Sci., vol. 16, pp. 9-18, 1898.) 
Hollick, Arthur. 
The Cretaceous clay marl exposure at ClilTwood, N. J. (Trans. 
N. Y. Acad. Sci., vol. 16, pp. 124-136, pis. 11-14, 1898.) 
Hollick, Arthur. 
Appendix [to "A new investigation of man's antiquity at Trenton" 
by H. C. Mercer]. [Abstract.] (Proc. A. A. A. S.. vol. 46, pp. 378- 
380. June 1898.) 
Holmes, W. H. 
Primitive man in the Delaware valley. [Abstract.] (Proc. A. A. A. 
S., vol. 46, pp. 364-370, June 1898.) 
Kemp, J. F. 
The glacial or post-glacial diversion of the Bronx river from its 
old channel. (Trans. N. Y. Acad. Sci., vol. 16, pp. 18-24, 1898.) 
Keyes, C. R. 
Contribution to "A symposium on the classification and nomen- 
clature of geologic time-divisions." (Jout. Geol., vol. 6. pp. 347-352, 
May- June 1898.) 
Keyes, C. R. 
Probable stratigraphical equivalents of the Coal Measures of Arkan- 
sas. (Jour. Geol., vol. 6, pp. 356-365, May-June 1898.) 
Keyes, C. R. 
Remarks on the classification of the Mississippian series. (Am. 
Geol., vol. 22, pp. 108-113, Aug. 1898.) 
Knapp, G. N. 
On the implement-bearing sand deposits at Trenton, N. J. [Ab- 
stract.] (Proc. A. A. A. S., vol. 46, p. 350, June 1898.) 
Kummel, H. B. 
The age of the artifact-bearing sand at Trenton. [Abstract.] (Proc. 
A. A. A. S.., vol. 46, pp. 348-350, June 1898.) 
