ittcmoirs from tl)c Biological Caboratovy 



OF T1IK 



JOHNS HOPKINS UNIVERSITY 

 IV, 2 



WILLIAM K. BROOKS, EDITOR 



SYNAPTA VIVIPARA 



A CONTRIBUTION TO THE MORPHOLOGY OF THE ECHINODERMS 



HUBERT LYMAN CLARK 



(REPRINTED FROM THE MEMOIRS OF THE BOSTON SOCIETY OF NATURAL HISTORY) 



BALTIMORE 

 THE JOHNS HOPKINS PRESS 



1898 



