BOSTON 



JOURNAL OF NATURAL HISTORY, 



<:ONTAININ<i 



PAPERS AND COMMUNICATIONS, 



READ BEFORE THE 



JJoston Socirtfi of Natural fi^iutotSy 



AND PUBLISHED BY THEIR DIRECTION. 



VOL. VIL — NO. II. 



• PUBLISHING COIMMITTEE. 



JEFFRIES WYMAN, i SAMUEL L. ABBOT, 



CHARLES K. DILLAWAY, I AUGUSTUS A. GOULD, 



SAMUEL KNEELAND, Jr. 



BOSTON 

 1861. 



