VOL. VI. No. 68.] AUGUST, 1863. [Price Is. U. 



THE GEOLOGIST. 



AN ILLUSTRATED MAGAZINE 



03? 



GEOLOGY, 



PALAEONTOLOGY, AND MINERALOGY. 



EDITED BY S. J. MACKIE, E.G.S., E.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 EEEVE & CO., 5, HENRIETTA STREET, COVENT GARDEN. 

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



PRINTED BY J. E. TAYLOR, LITTLE QUEKtf STREET, LONDON. 



