THe Microscope. 93 
Reviews. 
METHODS OF STUDYING THE BRAIN. 
The Cartwright Lectures. Delivered before the Alumni 
Association of the College of Physicians and Surgeons, New 
York City, February 2, 4, and 6, 1884. By Prof. B. G. Wilder, 
M. D., of Cornell University. Lecture I. 
THE NORTH AMERICAN REPTILES AND BATRACHIANS. By Samuel 
Garman. 
REPORT OF THE SURGEON-GENERAL OF THE NAVY. Government 
Printing Office, 1882. 
This is of interest to our readers largely because of a report 
on the “‘ Microscopic Examination of Air.” It is illustrated 
with a number of phototypes, showing the various forms that 
are found in the dust of the air—epithelium, starch, threads, 
hairs, pollen, bacteria. crystals, etc., ete. 
ScHooL HYGIENE. By Chas. T. Lundy, A. M., M. D., Professor of 
Diseases of the Eye and Ear, in the Michigan College of Medi- 
cine, Detroit. Read before the American Health Association, 
1883. 
Dr. Lundy not only points out the dangers and evils of our 
present system of school hygiene, but also tells us how to rem- 
edy these defects. It is a paper that should be in the hands of 
every school board and public school teacher in the land. 
THE CENTURY. Century Co., Union Square, New York. 
The March number of this excellent journal has a fine en- 
graving of Von Moltke for the frontispiece, followed by a 
sketch of his career. Among the attractions of the number is 
an article on “The Next Presidency,” ‘ Henry Irving,” and 
another chapter of the interesting story of “* Dr. Sevier.” There 
is a sharp letter also from “ The Author of ‘ Bread-Winners ’.” 
CATALOGUING, LABLELING AND STORING MICROSCOPICAL PREPARA- 
TIONS. By Prof. 8. H. Gage, B.S., Ithaca, N. Y. Reprint from 
Proceedings of Chicago meeting of American Microscopists. 
