THE INTERNATIONAL SCIENTIFIC SERIES. 
JELLY-FISH, STAR-FISH 
AND SEA+‘URGHINS 
BEING 
A RESEARCH ON PRIMITIVE NERVOUS SYSTEMS 
BY 
G. J. ROMANES, M. A., LL. D., F. R. S. 
ZOGLOGICAL SECRETARY OF THE LINNEAN SOCIETY 
NEW YORK: 
D. APPLETON AND COMPANY, 
1, 8, anv 5 BOND STREET. 
Sm 1885. 
