VOL. VI. No. 64.] 



APRIL, 1863. 



[Price Is. Qd. 



THE GEOLOGIST. 



AN ILLUSTKATED MAGAZINE 



OF 



GEOLOGY, 



PALAEONTOLOGY, AND MINERALOGY. 



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." — Herschel: 

 Discourse on Study of Natural Philosophy. 



LONDON: 



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

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



PBISTTBD BX J. S. TXXhOB,, LtTXirK QUBBJ6T SXBBBT, LOJfDoA". 



