1892.] Scientific News. 1061 
One prize of $50 for the best paper which shall give the results of 
an original investigation made with the microscope and relating to 
plant life, not less than 3000 words in length. The methods by which 
the results are obtained to be given in full. 
Two prizes of $25 each for the second best papers on animal and 
plant life respectively, on the above conditions. 
The papers, drawings and specimens entered for the above prizes to 
be submitted to the committee on or before July 1, 1893, and the 
papers and drawings to be published in the Proceedings. 
One prize of $30 for the best six photomicrographs on some subject 
in animal or vegetable histology whose structural features are to be 
illustrated by the photomicrographs of the following amplification, 
viz., 50, 150 and 500, two of each. These are to be made by trans- 
mitted light, printed on albumen paper from untouched negatives, 
which with the specimens from which they are made, are to be sub- 
mitted with the pictures to the committee. 
One prize of $30 for the best selection of six mounted slides illus- 
trating some one biological subject. These slides must be accompanied 
by a full description of the method of preparation of the specimens. 
Two prizes of $15 each for the second best collection of photomicro- 
graphs and slides respectively, on the conditions above stated. 
All photographs and mounted slides for which prizes are given are 
to become the property of the society. The object of these prizes is 
to stimulate and encourage original investigation in the Biology of 
North America, and if additional information is desired it may be 
obtained of the committee on prizes. 
Dr. Harris H. Wilder has been appointed Professor of Biology in 
Smith College, Northampton, Mass. 
Dr. Henry B. Ward has been appointed Instructor in Zoology in 
the University of Michigan. 
Dr. C. S. Minot has been elected Professor of Histology and Embry- 
ology in Harvard Medical College. 
November 5, 1892, was given up by the Mechanics Fair in Boston. 
to the Marine Biological Laboratory at Woods Holl. There were 
illustrations of the work of the laboratory, sets of the specimens fur- 
nished schools and colleges by the department of supplies of the 
laboratory, and addresses outlining the history, purposes and results 
of the station by trustees, pupils, etc. 
