LIGHT SCIENCE* FOR 

 LEISURE HOURS. 



FAMILIAR ESSAYS ON 

 SCIENTIFIC SUBJECTS, NATURAL PHENOMENA. &c. 



WITH A 



SKETCH of tke LIFE of XAKY SOMERVILLE. 





RICHARD A. PROCTOR, B.A. CAMB., 



n 



HONORARY SECRETARY OP THE ROYAL ASTRONOMICAL SOCIETY; 



AUTHOR OP 



'OTHER WORLDS' 'SATURN*' 'ESSAYS ON ASTROXO.MY' 'THE ORBS AROUND US' 

 ETC. 



Truths of Science waiting to be canght." TEXNYSOS. 





LONDON : 



LOXGMAXS, GREEX, AXD CO. 



1873. 



A II rights reserved. 



