A 



>C^ 



The Academy of Natural Sciences of Philadelphia. 



January 17, 1915. 



I hereby certify that printed copies of the Proceedings for 1915 were 

 mailed as follows: — 



Pages 1-32 March 2, 1915. 



33-80 March 24, 1915. 



81-96 April 15, 1915. 



97-192 April 22, 1915. 



193-288 May 28, 1915. 



289-320 July 9, 1915. 



321-416 July 29, 1915. 



417-456 : August 24, 1915. 



457-536 November 9, 1915. 



537-552 December 8, 1915. 



553-584 January 25, 1916. 



EDWARD J. NOLAN, 



Recording Secretary. 



PUBLICATION committee: 



Henry Skinner, M.D., Sc.D., Witmer Stone, A.M., Sc.D., 



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



Edward J. Nolan, M.D. 

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



EDITOR: Edward J. Nolan, M.D. 



/^3/ 



