Academy of Natural Sciences op Philadelphia, 



February 28, 1884. 



I hereby'certify that printed copies of the Proceedings for 1883 have been 

 presented at the meetings of the Academy, as follows : — 



Pages 



9 

 25 



41 

 57 

 73 

 89 

 105 

 121 

 137 

 153 

 169 

 185 

 201 

 238 

 265 

 281 

 297 

 318 



24 

 40 

 5G 



72 



to 

 to 

 to 

 to 

 to 88 

 to 104 

 to 120 

 to 186 

 to 152 

 to 168 

 to 184 

 to 200 

 to 282 

 to 264 

 to 280 

 to 296 

 to 812 

 to 328 



PHILADELPHIA: 



W. P. KiLDARE. Printer. 



