VOL. VI. No. 69.] SEPTEMBER, 1863. [Price Is. U. 



THE GEOLOGIST. 



AN ILLUSTKATED MAGAZINE 



, OF 



GEOLOGY, 



PALAEONTOLOGY, AND MINERALOGY. 



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



" Greology, 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; 



LOVELL REEVE & CO., 5, HENRIETTA STREET, COVENT GARDEN. 

 PARIS: J. ROTHSCHILD. BERLIN: ASHER & CO. 



PRINTED BY J. E. TAYLOE, LITTLE QUEEN STREET, LONDON. 



