^ ^ >■■'- 



■■^•-^l^. 



3CIENTIFIC MEMOIRS, 



SELECTED FROM 



THE TRANSACTIONS OF 



FOREIGN ACADEMIES OF SCIENCE, 



AND FROM 



FOREIGN JOURNALS, 



NATURAL HISTORY. 



EDITED BY 



ARTHUR HENFREY, F.R.S., F.L.S. &c., j ^ 



LECTURER ON BOTANY AT ST. GEORGe's HOSPITAL, 

 AND 



THOMAS HENRY HUXLEY, F.R.S. 



/ 



/ 



LONDON: 



TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET, 

 Printers and Publishers to the University of Ijondon. 



1853. 



