NORTH AMERICAN CONCHOlilOGY. 



127 



Carpenter. — List of Four Hundred and Forty Species of 

 81iflls from Mazatlan : by 1*. P. Carpenter. (From the Re- 

 port of the Twenty-fourth Meeting of the British Association 

 for the Advancement of Science. London, 1855. Trans, of 

 the Sections, p. 107.) 



[A short notice, with no descriptions or specific names. — W. G. B.] 



Sowerby. — Mollusca, from vol. iii of Richardson's Fauna 

 Roreali-Americana : by Mr. James de Carle Sowerby, p. 

 315. London, 1836. 



