THE 



MONTHLY AMERICAN JOURNAL 



OF 



GEOLOGY 



Ain> 



NATURAL. SCIEXC£; 



£XaiBITING TH£ PRESENT STA.TE AKO PBOeBEBS OF KKOWLiateX IX 



ZOOLOGY, BOTANY, MINERALOGY, COMPARATIVE ANATOMY, CHEMISTUT, 

 METEOROIiOGY, PHYSICAL NATURAL AGENTS, AND TttE 

 ANTIQUITIES AND LANGUAGES OP THE . 

 INDIANS OF THIS CONTINENT. 



COKDUCTEn BT 



G. W. FEATHERSTONHAUGH, Esq. 



Fellow of the Geological Society of London; Member of the American Philosopbical Society 

 of Philadelphia ; of tJie New York Lyceum-of Natural History ; of the Academy of Natural 

 Sciences of Ftiiladelphia, &c. &c. &c. 



JULY, 1831. 



TO BB OOMTimrEO MONTHLY. 





PUBLISHED BY HENRY H. PORTER, 



iT THE OFFICE OF THE JOVKSXI, OF HEALTH, FAHILT LIBBABT Ot B£AXTB| &C. 



Literary Booms, 121 Chemut Street. 



'1831. 



Friccy 23 50 per annunif pceyabk in advance. 



