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PROCEEDINGS 





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PHILADELPHIA. 



PART III.—NOVE3IBEB and nECE3IBEB, 1883. 



PUBLICATION COMMITTEE. 



Joseph Leidy, M. D., Geo. H. Horn, M. D., 



Edw. J. Nolan, M. D., Thomas Meehan, 



J. H. Redfield. 



EDITOR: Edward J. Nolan, M. D. 





PHILADELPHIA: 

 ACADEMY OF NATURAL SCIENCES, 



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

 188 4. 



