321 '"i. 



^ibrarn i3f tljc gluscum 



OF 



COMPARATIYE ZOOLOGY, 



AT HARVARD COLIECE, CAIIBRIDCE. MASS. 

 jFottnlic^i 1)1) prfbate siiiscifpifon, fn 1861. 



From the Library of LOUIS AGASSIZ. 



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