PRICE, WITH SUPPLEMENT, ONE SHILLING AND SIXPENCE. 



VOL. IV. 



No. 47- 



NOVEMBER, 1861. 



THE GEOLOGIST; 



AN ILLUSTRATED 

 POPULAR MONTHLY MAGAZINE 



OF 



GEOLOGY. 



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



• tea* r\^y 



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

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

 Discourse on Study of Natural Philosophy. 



LONDON: 



PUBLISHED AT THE OFFICE OF THE GEOLOGIST, 

 25, GOLDEN- SQUAKE, REGENT-STREET, W. 



BATLLIERE, BROTHERS, 400, BROADWAY, NEW YORK; B. DAWSON & SONS, 



MONTREAL. 



MESSRS. X B. BAXLLIERE ET PELS, RUE,HAUTEFEUILLE, PARIS. 

 C. BAILLY BAILLIERE, OALLE DEL PRINCIPE, MADRID. 



FEINTED AT THE GEOLOGIST OFFICE, GOLDEN-SQUARE, "LONDON. 



