The V \m mi of Natural Sciences of Philadelphia. 



February 8, 1913. 



I hereby certify thai printed copies of the Proceedings for 1912 were 

 mailed as follows: — 



Pages 1 so April 3, 1912 



81 128 May 14,1912 



L29 152 May 23, 1912 



•' L53 L68 July 5, 1912 



•• 169 280 August, 8, 1912 



• I'M 376 September 6, 1912 



" :;77 lln September 26, 1912 



•• Ml 186 November 27, 1912 



" 487-534 January 30,1913 



•• 535 566 February 13, 1913 



EDWARD J. NOLAN, 



Recording Secretary. 



PUBLICATION COMMITTEE! 



Hi \kv Skinner, M.D., Witmer Stone, A.M., 



Henry A. Pilsbry, Sc.D., William J. Fox, 



Edward J. Nolan, M.D. 

 The President, Samuel G. Dixon, M.D., LL.D., ex-officio. 



EDITOR: Edward J. Nolan, M.D. 



7 / v 1 



