New York 



Academy of Sciences, 



1899 



Sixth Annual Reception 



and Exhibit of 



Recent Progress in Science 



at the 



American Museum of Natural History, 



Wednesday, April 19 : 

 Reception to Members of academy and Invited Guests, 



8-10 p. M. 



Thursday, April 20 : 



Afternoon Exhibit, 3-5 p. m. 



Evening Reception, to Members of the Scientific 



Alliance, 8-10 p. m. 



