:z£'! 
SS"4-Q. 
ITtbrcirir of tljc Uliiscum 
OF 
COMPARATIVE ZOÖLOGY, 
AT IIAKVARB COIUGE, CAMBRIDGE, MASS. 
jFountieti bw pn'bntc subsm'pti'ou, fn 1861 . 
Deposited by ALEX. AGASSIZ, 
ivv. 
