PROCEEDINGS 



^tatltmg of 5^atural identes 



/ OP 



PHILADELPHIA. 



PABT III. SEPTEMBER-DECEMBER, 1887 



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, 



LOGAN SQUARE. 



1887. 



