PROCEEDINGS 



Clf^ c^radtiim of ^atural l^rientijs 



F»HII^ADEIvF»HIA. 



1899. 



PART III— OCTOBER, N0VE3IBER, DECEMBER. 



PUBLICATION COMMITTEE. 



Thomas Meehan, Charles E. Smith, 



Edw. J. Nolan, M. D., Henry Skinner, M. D., 



Henry A. Pilsbry. 



EDITOR : Edward J. Nolan, M. D. 



PHILADELPHIA : 



ACADEMY OF NATURAL SCIENCES, 



LOGAN SQUARE. 



1899. 



