SECTION B.] NORTH AMERICAN CONCHOLOGY. 



489 



Adams. — Monograph of Stoastoma, a new genus of new oper- 

 culated Land Shells : by C. B. Adams, A. M. Amherst, 

 Mass. September, 1849. 



Page. Pago. 



3 Stoastoma Ad. 10 



5 Gouldianum J.c^. Jamaica. 11 



6 Blandianum Ad. Jamaica. 12 



7 Fadyenianum Ad. Jamaica. 13 



8 ^ Pfeifferianum Ad. Jamaica. 14 



9 Cumingianum J^d. Jamaica. 15 



Chittyamim Ad. Jamaica, 

 pisum Ad. Jamaica. 



Lindsleyanum Ad. Jamaica. 

 Redfieldianum.4(f. Jamaica. 

 Jayanum Ad. Jamaica. 



Leanum Ad. Jamaica. 



AdamiS. — Monograph of Vitrinella, a new genus of new species 

 of Turbinidse ; by C. B. Adams. Amherst, Mass. Feb. 1850. 



3 



Vitrinella Adams. 





5 



hyalina Adams. 



Port Royal, Jamaica 



6 



interrupta Adams. 



Port Royal, Jamaica 



7 



megastoma Adams. 



Port Royal, Jamaica 



8 



tincta Adams. 



Port Royal, Jamaica 



9 



helicoidea Adams. 



Port Royal, Jamaica 



Adams. — Remarks on the Distribution of the Testaceous Mol- 

 lusca of Jamaica : by Prof. C. B. Adams. (From American 

 Association for the Advancement of Science, second meeting, 

 p. 147. Boston, 1850.) 



Redfield. — Catalogue of Operculated Land Shells in the col- 

 lection of John H. Redfield. New York, July 1st, 1850, 

 and 



Redfield. — Catalogue of Marginellidse in the collection of 

 John H. Redfield. January 1st, 1851. 



[No descriptions being given, I do not repeat these Catalogues. — W. 

 G. B.] 



Caillaild. — On the perforation of rocks by Fholades : by M. 

 F. Caillaud. (From American Journal of Science, n. s., vol. 

 xiii, p. 287. March, 1852. Notice of a paper in Comptes 

 Rendus, November 24, 1851, p. 572. 



