THE 
JOURNAL OF SCIENCE, 
AND ANNALS OF 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SCIENCE.’') 
VOL. V. (SSS.) 
VOL. XX, (O.S.) 
3, HORSE-SHOE COURT, LUDGATE HILL. 
— 
MDCCCLXXXIII. 
