\jL \ An Illustrated ^^ Av 



MAGAZINE OF SCIENCE. 



SniPLY AYOEDETl-EXACTLY DERCETBED- 



Edited by A. COWPER RANYARD. 



TORONTO 



Let Knowledge grow from more to more 



—TENNYSON. 



VOLUME XA\ 



JANUARY TO DECEMBER 1892. 



NEW SERIES. VOL. VII. 



LONDON: WITHERBV & CO.. 326, HIGH HOLBORN, W.C. 



189 2. 

 [AU Eighfg Reserved. _ 



