By SIMON HENRY GAGE, Professor Emeritus of Histology and Embryology
in Cornell University, and Henry Phelps Gage, Ph. D.
This work of over 700 pages and with over 400 figures is of especial
interest to workers in all fields of Biology in that it deals
especially with the use of the Projection Microscope for demonstrations
and for drawing. It also gives the fundamental principles of all the
forms of projection. A 16-page circular will be sent on request.
Postpaid, $3.00.