PRICE ONE SHILLING. 



VOL. XL DECEMBER, 1859. No. 24. 



THE GEOLOGIST; 



AN ILLUSTRATED 



POPULAR MONTHLY MAGAZINE 



OP 



GEOLOGY. 



EDITED BY S. J. MACKIE, F.G.S., F.S.A. 



"Geology, in the magnitude and sublimity of the objects of whicli it treats, 

 undoubtedly ranks in the scale of the sciences next to Astronomy." — HerscheU: 

 Discowrse on Study of Natural PhilosopJiy. 



LONDON: 



PUBLISHED AT THE OFFICE OF THE GEOLOGIST, 154, STRAND. 



PRINTED AT THE GEOLOGIST OFFICE, 154, STRAND, LONDON. 



