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Memoirs from the Biological Laboratory
OF THE
JOHNS HOPKINS UNIVERSITY
IV, 4
WILLIAM K. BROOKS, EDITOR

PHYSIOLOGY AND HISTOLOGY
OF
THE CUBOMEDUSÆ

INCLUDING
Dr. F. S. Conant’s Notes on the Physiology

A DISSERTATION PRESENTED TO THE BOARD OF UNIVERSITY STUDIES OF THE JOHNS
HOPKINS UNIVERSITY FOR THE DEGREE OF DOCTOR OF PHILOSOPHY

BY
E. W. BERGER

BALTIMORE
The Johns Hopkins Press
1900