V 



THE QUAKTEELY 



JOURNAL OF SCIENCE. 



EDITED BY 



JAMES SAMUELSON 



AND 



WILLIAM CROOKES, F.R.S. 



VOLUME II. 



(Liltttb Illustrations oit Cojjptr, WBLoaiti, mvtx gtom. 



LONDON: 

 JOHN CHURCHILL AND SONS, NEW BURLINGTON STREET. 



Paris : 

 VICTOR MASSON ET FILS. 



Leipzig : 

 LUDWIG DENICKE. 



MDCCCLXV. 



