THE 



— 



EDINBURGH NEW 



PHILOSOPHICAL JOURNAL, 



EXHIBITING A VIEW OF THE 



PROGRESSIVE DISCOVERIES AND IMPROVEMENTS 



SCIENCES AND THE ARTS. 



EDITORS. 



THOMAS ANDEKSON, M.D, F.E.S.E., &c, 



REGIUS PROFESSOR OF CHEMISTRY IN THE UNIVERSITY OF GLASGOW ; 



Sir WILLIAM JAEDINE, Bart, F.E.S.E., &c, 



AND 



JOHN HUTTON BALFOUR, M.D, F.R.S.E, &c, 



'ROFESSOR OF MEDICINE AND BOTANY IN THE UNIVERSITY OF EDINBURGH. 



JANUAEY APEIL 1855. 



VOL. I. NEW SERIES. 



EDINBURGH : 



ADAM AND CHARLES BLACK. 



LONGMAN, BROWN, GREEN, & LONGMANS, LONDON. 



MDCCCLV. 



