Personal and Scientific News. 61 
America. He has listed already over two thousand and 
desires information concerning five or six thousand others. 
Warren Upham contributes a paper of eighteen pages, 
entitled "Geological History of the Great Lakes and Niag- 
ara Falls," to the July number of The International Quar- 
terly. 
David T. Day of the U. S. Geological Survey has re- 
cently made a visit to the Yellowstone Park. He is now 
in charge of the concentration of black sands carried on by 
the survey at the Portland exposition, where he also holds 
the position of honorary chief of the mines department. 
. Mr G. K Gilbert has given to the Department of Geol. 
ogy of Denison university upwards of 1,000 volumes of lit- 
erature, consisting of U. S. G. S. reports, state reports, re- 
prints, proceedings, and other valuable books. This gift is 
especially appreciated after having lost their library in the 
burning of their Science Hall. 
The Position of the late Albert A. Wright of Oberlin 
college has been filled by the election of Maynard M. Met- 
calf, professor of Biology in the Woman's college of Balti- 
more, as professor of Zoology and Mr. E. B. Branson of 
Kansas university as instructor in Geology. Dr. Metcalf 
was granted a two years' leave of absence and the work for 
the ensuing year will be conducted by Dr. Lynds Jones r 
associate professor of Zoology and Mr. Branson. 
The Set of Charts illustrating the origin of certain 
metallic ores, prepared by C. R. Van Hise, C. K. Leith and 
W. N. Smith and exhibited at the St. Louis Exposition, has 
been reproduced in Vandyke prints for limited distribution, 
in response to requests for copies. The prints are four in 
number, iron, copper, gold and silver, and lead and zinc, 
each about 24 by 50 inches. A charge of 75c each is made 
to cover cost. Orders may be sent to C. K. Leith, Madison, 
Wis. 
Prof C. H. Hitchcock, of Dartmouth college, will 
spend the months of July and August in the Hawaiian Isl- 
ands, to visit again their principal volcanoes, all of which 
he has ascended during his numerous former explorations 
of these islands. His observations this summer are for re- 
vision and completion of a treatise on volcanoes, and espec- 
ially on their very exceptional characters in the Hawaiian 
group. 
Dr. George D. Hubbard, instructor in geology and 
physical geography in Cornell university has been elected 
assistant professor of Geology in Ohio State university. 
The other members of the Geological department are 
Charles S. Prosser, professor of Geology and John A. Bow- 
nocker, professor of Inorganic Geology. In recent years 
