r 30 Tlie American Geologist. Febraarj-, i«9y 
Dall, W. H. 
On the present state of our knowledge of the North American 
Tertiary mollusk-fauna. [Abstract.] (Proc. A. A. A. S., vol. 47, p. 
361, Dec. 1898.) 
Dall, W. H. 
A table of the North American Tertiary horizons, correlated with 
one another and with those of western Europe, with annotations. 
(U. S. Geo). Survey, i8th Ann. Rept, pt. 2, pp. 323-348, 1898.) 
Davis, W. IVl. (assisted by Snyder, W. H.) 
Physical geography, (xviii and 428 pp., 9 pis.; Ginn and Co.. 
Boston, 1898.) 
Davison, J. M. 
Platinum and iridium in meteoric iron. (Am. Jour. Sci., ser. 4. 
vol. 7, p. 4. Jan. 1899.) 
Eastman, C. R. 
Some new points in dinichthyid osteojogy. [Abstract.] (Proc. 
A. A. A. S., vol. 47, pp. 371-2,72, Dec. 1898.) 
Ehrenfeld, Frederick. 
A study of the igneous rocks at York Haven and Stormy Brook. 
Pa., and their accompanying formations. (Thesis presented to the 
faculty of the department of philosophy of the University of Pennsyl- 
vania, in partial fulfillment of the requirements for the degree of 
Doctor of Philosophy. 24 pp., i pi.; Avil Printing Co., Philadelphia. 
1898.) 
Emerson, B. K. 
Outline map of the geology of southern New England. [Ab- 
stract.] (Proc. -A.. .\. A. S.. vol. 47, p. 291, Dec. 1898.) 
Fairchiid, H. L. 
Glacial geology in America. (Proc. A. A. A. S., vol. 47, pp. 257- 
290, Dec. 1898.) 
Fairchiid, H. L. 
Basins in glacial lake deltas, [.\bstract.] (Proc. A. A. A. S., vol. 
47. p. 291. Dec. 1898.) 
Fowke, Gerard. 
Pre-glacial drainage in the vicinity of Cincinnati; its relation to 
the origin of the modern Ohio river, and its bearing upon the ques- 
tion of the southern limits of the ice-sheet. (Bull. Sci. Lab. Denison 
Univ., vol. II, pp. i-io, pi. I, Mch. 1898.) 
Gallaher, J. A. 
Biennial report of the bureau of geology and mines, state of 
Missouri, 1898. Jno. .\. Gallaher, state geologist. (68 pp.; Jefferson 
City, 1898.) 
Geraland, Georg. 
Modern studies of earthquakes. (Appletons' Pop. Sci. Monthly, 
vol. 54, pp. 362-371, Jan. 1899.) 
Goodwin, W. L., and IVIiller, W. G, 
Note on a mineral of the columbite group. (Jour. Federated Ca- 
nadian Mining Inst., vol. 3, pp. 151-152, 1898.) 
