PRICE ONE SHILLING. 



YOL. III. 



APRIL, 1860. 



No. 28. 



THE GEOLOGIST; 



AN ILLUSTRATED 



POPULAR MONTHLY MAGAZINE 



GEOLOGY. 



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



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

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

 Discourse on Study of Natural Philosophy. 



LONDON: 



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



PRINTED AT THE aKOLOQIST OFFICE, 154, STPvANl>, LONDON. 



