EDITED BY 



DIONYSIUS LARDNEE, D.C.L., 



Formerly Professor of Natural Philosophy and Astronomy in University College, London. 



ILLUSTRATED BY ENGRAVINGS OX WOOD. 

 VOL. X. 



LONDON: 

 WALTON AND MABERLT, 



UPPER GOWER STREET, AND IVY LANE, PATERNOSTER ROW. 



1856. 



