Memoirs from the Biological Caboratorg 



OF THE 



JOHNS HOPKINS UNIVERSITY 

 IV, 1 



WILLIAM K. BROOKS, EDITOR 



THE CUBOMEDUS^] 



A DISSERTATION PRESENTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY, IN THE 



JOHNS HOPKINS UNIVERSITY, 1SH7 



BY 



MARINE 

 E'OLOGICAL 

 LABORATORY 



FRANKLIN STORY CONANT 







'J., MASS. 

 !l. 0. I. 



A MEMORIAL VULl'MK 



BALTIMORE 



THE JOHNS HOPKINS PRESS 

 1898 



