Personal and Scientific Neivs. 397 
Spurr, J. E. 
Quartz muscovite rock from Belmont, Nevada; the equivalent of the 
Russian beresite. (Am. Jour. Sci., vol. 10, pp. 351-356. Oct. 1900.) 
Spurr, J. E. 
Succession and relation of lavas in the great basin region (Jour. 
Geo]., vol. 8, pp. 621-646, Oct. -Nov., 1900.) 
Tillman. S. E, 
A text-book of important minerals and rocks, with tables for the de- 
termination of minerals, pp. 176. John Wiley and Sons, New York, 
1900. 
Todd, J. E. 
Geology and water resources of a portion of southeastern South 
Dakota, (U. S. Geol. Sur., Water-Supply and Irrigation papers No. 34, 
pp. 34, 1900.) 
Ward, L. F. 
Status of the Mesozoic floras of the United States. (20th Ann. Rep., 
U. S. G. S., Part i, pp. 211-747, pis. 21-179.) 
Ward, L. F. 
Elaboration of the fossil Cycads in the Yale museum. (Am. Jour. 
Sci., vol. 10, pp. 327-345, Nov., 1900.) 
Washington, H. S. 
The composition of kulaite. (Jour. Geol., vol. 8, pp. 610-620. Oct.- 
Nov., 1900.) 
Weed, W. H. 
Geology of the Little Belt mountains, Montana. (20th Ann. Rep., 
U. 8. G. S., Part 3, pp. 257-461, pis. 36-69.) 
Whitfield, R. P. (and E. O. Hovey.) 
Catalogue of the types and figured specimens in the paleontologicai 
collection of the geological department, American Museum of Natural 
History. (Bull. Am. Mus. Nat. Hist., vol. 11, pp. 189-356, Oct. 
12, 1900.) 
Withrow, James R. (S. H. Hamilton and) 
The Progress of Mineralogy in 1899.) Bull. No. 2. Am. Inst. Min. 
Eng. 1900) 
PERSONAL AND SCIENTIFIC NEWS. 
Prof. A. G. Leonard of the University of Missouri 
has been appointed to the chair of mining and mineralog) 
at the University of Idaho at Moscow. 
Prof. George H. Barton will give a course of twelve 
lectures, in the Lowell Institute series, on Geology in its re- 
lation to Topography, and its bearing upon the work of 
engineers. 
Thomas Benton Marbut died suddenly at Esther, Mis- 
souri, on Sunday, Sept. 16, 1900. Mr. Marbut was one of the 
