so 



PROCEEDINGS 



y 



OF THE 



cadmji of Natural mitnm 



OK 



PHILADELPHIA. 



PART III. October, November, December, 1875. 



PUBLICATION COMMITTEE. 

 Joseph Le.dy, M.D., eo W. Tkyon, Jr., 



Wm. S. Vaux, Edw. J. Nolan, M.D., 



W. S. W. RuSCHENBERGEK, M.D. 



PHILADELPHIA: 



ACADEMY OF NATURAL SCIENCES, 



S. W. Corner of 19th and Race Streets. 



1876. 



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