THE 
POPULAE SCIENCE 
REVIEW. 
A QUARTERLY MISCELLANY OF 
ENTERTAINING AND INSTRUCTIVE ARTICLES ON 
SCIENTIFIC SUBJECTS. 
EDITED BY HENEY LAWSON, M.D. 
VOLUME IV. 
ON: 
ROBERT HARDWIGKE, 192, PICCADILLY; 
AND ALL BOOKSELLEES. 
1865. 
