BOSTON 



JOURNAL OF NATURAL HISTORY, 



COZTTAlKIHa 



PAPERS AND COMMUNICATIONS, 



BEAD BEFOBB THE 



]$o0ton .Society oi Natural f^iutovSf 



AND PUBLISHED BY THEIR DIRECTION. 



VOL, IV.— NO. 2. 



PUBLISHING COMMITTEE. 



GEOilGE B. EMERSON, 

 THADDEUS W. HARRIS, 



AUGUSTUS A. GOULD, 

 D. HUMPHREYS STORER, 



CHARLES K. DILLAWAY. 



BOSTON: 

 CHARLES C. LITTLE^AND J A M E;^ B R O W N . 



1842. . 



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