

T H E 



EMBRYOLOGY AND METAMORPHOSIS 



OF THE 



MAGROURA. 



BY 



PROFESSOli OF ANIMAL MORPHOLOGY IN THE JOHNS HOPKINS UNn'ERSITY 



AXD 



PROFESSOR OF BIOLOGY IN ADELBERT COLLEGE, 



LATE FELLOW IN THE JOHNS HOPKINS UNIVERSITY. 



WITH FIFTY-SEV-EN PI.ATE8. ,, ^ 



S. Mis. 94 21 



