

v- CC-A^vt~c 



BOSTON 



JOURNAL OF NATURAL HISTORY, 



CONTAINING 



PAPERS AND COMMUNICATIONS 



READ TO THE 





°+ 



BOSTON SOCIETY OF NATURAL HISTORY, 



18^ — 1857. 





PUBLISHED BY THEIR DIRECTION. 



VOL. VI. 



rio. vt 



BOSTON: 

 GOULD AND LINCOLN 



MDCCCLVII. 



LIBRARY 



fcivisioa of Crustacea 



