BIBLlOTHfiQUE 



DE 



Louis Agassiz. 



s 



5o^l\ <o 



^ibrarn of lljc HTuscum 



OP 



COMPARATIVE ZOOLOGY, 



AT UARVARD COllEGE, CAHBRIDCE, JIASS. 

 jFounlicTJ bi) prfljntc suiscifjplfon, fn ISGI. 



Prom the Library of LOUIS AGASSIZ. 



No. ^9^jC, 



