!0m*m^ 



CENTRAL PARK, 

 NE 



*4* 



4aSfe 



v. 



POPULAE SCIENCE 



MONTHLY. 



CONDUCTED BY E. L. YOU MANS. 



VOL. I. 



MAY TO OCTOBER, 1872, 



NEW YORK: 



D. APPLETON AND COMPANY, 



549 & 551 BROADWAY. 



1872. 



