PEICE ONE SHILLING. 



VOL. III. 



JULY, 1860. 



No. 31. 



THE GEOLOGIST 



AN ILLUSTRATED 



POPULAE MONTHLY MAGAZINE 



GEOLOGY. 



EDITED BY S. J. MACKIE, E.G.S., E.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." — Herschell ; 

 Discourse on Study of Natural Philosophy. 



LONDON: 



PUBLISHED AT THE OFFICE OF THE GEOLOGIST, 156, STRAND; 

 BAILLIERE, BKOTHERS, 440, BROADWAY, NEW YORK; B. DAWSON & SONS, 

 , MONTREAL. 

 MESSRS. J. B. BAILLIERE ET FILS, RUE HAUTEFEUILLE, PARIS. 

 C. BAILLY BAILLIERE, CALLE DEL PRINCIPE, MADRID. 



PRINTED AT THE GEOLOGIST OFFICE, 156, STRAND, L0H1?0N. 



