PIUCE Kim. tSlllLLlJNLr 
VOL. III. 
OCTOBER, 1860. 
No. 34. 
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."- -ifcrscfteti ; 
Discourse on Study of Natmal Philosophy. 
LONDON: 
PUBLISHED AT THE OFFICE OF THE GEOLOGIST, 
22, SOUTHAMPTON-STREET, STRAND. 
BAIXiLIERK, BROTHERS, 400, BROADWAY, NEW YORK; B. DAWSON & SONS, 
MONTREAL. 
MESSRS. J. B. BAILLIERE ET FILS, RUE HAUTEFEUILLE, PARIS. 
C. BAILLY BAILLIERE, CALLE DEL PRINCIPE, MADRID. 
PKINTED AT THE GEOLOGIST OFFICE, 22, SOUTHAMPION-SIKEET, STRAND, LONDON. 
