THE 
JOURNAL OF SCIENCE, 
AND ANNALS OF 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SGIENGE.”) 
VOL. IV. (£S!) 
VOL. XIX. (O.S.) 
3 , HORSE-SHOE COURT, LUDGATE HILL, 
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MDCCCLXXXIL 
