BWcFal Collecllons 



^'ibravii of tljc Museum 



OF 



COMPARATIVE ZOÖLOGY, 



AT niRVARD COllECE, CAMBRIDCE, MASS. 

 iFouutrcti 1)1) prfkntc suljscifptfon, [n 18G1. 





Deposited by ALEX. AGASSIZ. 



