400 The American Geologist. December, i904. 
H. Brooks. December 2d; "A geologist in China," by Bailey 
Willis, December i6th; "Physiography of the American des- 
erts," bv G. K. Gilbert, January 27th. 
"A 'Treatise on Metamorphism," by President C. R. 
Van Hise, has just been published by the United States Geo- 
logical Survey as Monograph XLVII. The price is $1.50. 
This is the most complete treatise on metamorphism yet pub- 
lished, and comprises a volume of nearly 1300 pages. Besides 
accounts of the metamorphism of various rocks there_ are dis- 
cussions on the origin and changes of each rock forming min- 
eral, on the origin and redistribution of the chemical elements, 
and on the relation of metamorphism to ore deposits. 
Prof. George J. Brush's Collection of Minerals and 
Library have been presented by Prof. Brush to the Sheffield 
Scientific School of Yale University. The gift is accompan- 
ied by a fund of ten thousand dollars the income of which is 
to be' used for the increase and care of the collection and li- 
brary. The value of the entire donation is estimated at about 
forty thousand dollars. The collection has been made by 
Prof. Brush during the last fifty years, and is rich in type 
'specimens of new minerals. It will be henceforth under the 
charge of Prof. S. L. Penfield. 
Geological Society of Washington. At the meeting of 
November 9th the following program was presented: S. F. 
Emmons, "Remarks on copper deposits near the Grand can- 
yon, Arizona;" W. H. Weed, "Dilation fissures and their con- 
tained ores;" M. L. Fuller, "Evidence of caves at Put-in-Bay, 
OhiO; on question of land tilting" ; C. W. Purrington, "A 
journey in the eastern Altai, Siberia." 
The University of Chicago has arranged for the follow- 
ing special courses in geology during the winter and early 
spring. I. Courses in non-metallic economic geolog}', by Dr. 
E. R. Buckley, State Geologist of Missouri ; these courses in- 
clude an elementary course and an advanced course on struc- 
tural materials ; January 2d to February loth. II. A course 
on Pre-Cambrian geology by Professor C. K. Leith of the 
University of Wisconsin ; this course will be accompanied by 
laboratory work for those who so desire; February 13th to 
March 24th. III. Courses on ore deposits by Dr. F. L. Ran- 
some, of the U. S. Geological Survey ; these include an ele- 
mentary course on ore deposits in general, and an advanced 
course on gold, silver, copper and lead (in part) ores: April 
13th to May I2th. 
The Theodore D. Rand Collection of over 20,000 
minerals and rock specimens has been presented by his daugh- 
ter, Mrs. Charles Stillwell Eldredge, of Radnor. Pennsylvania, 
to the geological department of Bryn Mawr college. This 
