INDEX 



TO TEE 



POPULAR SCIENCE MONTHLY 



FOE TIIE 



TWENTY VOLUMES FROM 1872 TO 1882, 



AND OF THE 



THREE VOLUMES OF THE SUPPLEMENT 



EMBRACING 



THE TITLES OF THE AETICLES IN THE SEVEEAL DEPARTMENTS 



OF THE MAGAZINE. 



NEW YORK : 



D. APPLETON AND COMPANY, 



1, 8, and 5 BOND STREET. 

 1883. 



