322 TJie America?i Geologist. May, i90o 
Grant, U. S. 
List of rock samples collected in northeastern Minnesota in 1895, 
1896 and 1897, by A. H. Elftman. (24th Ann. Rep. Minn. Geol. Sur., 
1899.) 
Hall, James. 
Sixteenth annual report of the State Geologist, for the year 1896: 
transmitted to the Legislature April 20, 1897, large quarto, pp. 442. 
Albany, 1899. 
Hall, James (and John M. Clarke). 
A memoir on the paleozoic reticulate sponges constituting the 
family Dictyospongidse, Part IL (i6th Ann. Rep. state geologist of 
New York, pp. 343-389, plates 48-70, 1899.) 
Herrick, C L (and T. A. Bendrat). 
Identification of an Ohio Coal Measures horizon in New Mexico. 
(Am. Geol., vol. 25, pp. 234-242, April, 1900.) 
Hershey, O. H. 
A curious phase of interstream erosion in southern Oregon. 
(Science, N. S., vol. XI, p. 614, Apr. 20, 1900.) 
Hitchcock, C. H. 
Geology of Oahu. (Bull. Geol. Soc. Am., vol. 11, pp. 15-60, pis. 
1-8, Feb. 1900.) 
Knowiton, F. H. 
Fossil plants associated with the lavas of the Cascade range. (20th 
annual report U. S. G. S., Part III, pp. 37-52, plates 1-6, 1900.) 
Lingren, W. 
Granodiorite and other intermediate rocks. (Am. Jour. Sci., vol. 
9, pp. 269-282, April, 1900.) 
Luther, D. D. 
The brine springs and salt wells of the state of New York, and 
the geology of the salt district. (16th An. Rep. state geologist of N. 
Y., pp. 175-226, map, 1899.) 
Matthew, G. F. 
Mr. Walcott's view of the Etcheminian. (Am. Geol., vol. 25, pp. 
255-258, April, 1900.) 
McConnell, R. G. 
Preliminary report on the Klondike Gold Fields. (Geol. Sur. 
Can., pp. 44, map, plates, March, 1900.) 
Osborn, Henry F. 
Geological and faunal relations of Europe and America during the 
Tertiary period, and the theory of successive invasions of an African 
fauna. (Science, vol. 11, pp. 561-574. Apr. 13, 1900.) 
Preston, H. L. 
Two new American meteorites. (Am. Jour. Sci., vol. 9, pp. 283- 
286, April, 1900.) 
Roth, Santiago. 
Some remarks on the latest publications of Fl. Ameghino. (Am. 
Jour. Sci., vol. 9, pp. 261-266, April, 1900.) 
