Establtebefc by 



3L UJoumans 



APPLETONS' 



POPULAR SCIENCE 

 MONTHLY 



EDITED BY 



WILLIAM JAY YOUMANS 



Public Librar] 



VOL. XLVIM 



NOVEMBER, 1895, TO APRIL, 1896 



NEW YORK 



D. APPLETON AND COMPANY 

 1896 



