T H ESAU It US CONCH Y LI R U M , 



MONOGRAPHS 



GENERA OF SHELLS. 



G. B. SOWERBY", F.L.S 



VOL. II. 



LONDON : 



SQWERBY, 70, GREAT 11USSELL STREET, BLOOMSBURY. 



1855. 



****** Lihrarrr 



