324 The American Geologist. November, i899 
CORRESPONDENCE. 
Monograph xxxii, part ii, U. S. Geological survey. -I beg to 
call your attention to the publication by this bureau of Monograph 
XXXII (Part II) of the Survey series, relating to the geology of the 
Yellowstone National park. It embraces chapters of the descriptive 
geology of the mountains surrounding the park plateau, by Mr. Arnold 
Hague and colleagues; elaborate investigations of the petrography of 
the crystalline rocks by Mr. J. P. Iddings ; reports upon the inverte- 
brate paleontology of the park and the Absaroka range by Messrs. C. 
D. Walcott, G. H. Girty and T. W. Stanton ; and an exhaustive study 
of the fossil flora of the region, by Mr. F. H. Knowlton. 
. The volume consists of 893 pages, handsomely illustrated by 121 plates 
and numerous colored maps and figures. It can be purchased for $2.45. 
the actual cost of preparation, and payment should be made only by 
postal or express money order, stamps or checks being not acceptable. 
Very, respectfully, 
Chas. D. Walcott, Director. 
Department of tJic I/itf/ior, United States Geologicat Survey. 
W'asJrington, D. C, October 2S, iSgg. 
PERSONAL AND SCIENTIFIC NEWS. 
The Programme of Instruction in geolog)', at the 
Johns Hopkins University, for 1900, shows a staff of five 
resident lecturers and four non-resident lecturers. Mr. 
Bailey Willis, of the U. S. Geological Surve}'; Dr. Cleveland 
Abbe, of the U. S. Weather Bureau; and Dr. L. D. Bauer, 
of the U. S. Coast and Geodetic Survey are among the 
former. The announcement is made that the second course 
of the George Huntington Williams Memorial lectures will 
be given in April, igoo, by professor Brogger, of the Uni- 
versit)' of Christiania, Norway. His subject will be "The 
Physical Properties of the Magmas of Eruptive Rocks." 
This Memorial Lectureship upon principles of geology 
was fitly inaugurated in the spring of 1897, t>y ^'^ Archibald 
Geikie, director-general of the geological survey of Great 
Britain and Ireland. 
The course given b)- Dr. Brogger will be anticipated 
with no less interest. 
Prof. W. M. Davis has returned from fourteen months 
in Europe, to assume the position of Sturgis Hooper profes- 
sor of geolog)' at Harvard Universit)'. After the trip to 
