Vol. 



Pa. 



iy 



187 



iv 



187 



iv 



187 



iv 



187 



iv 



188 



iv 



188 



iv 



188 



iv 



188 



iv 



188 



iv 



188 



iv 



188 



iv 



189 



iv 



189 



iv 



190 



iv 



190 



iv 



191 



iv 



191 



NORTH AMERICAN CONCHOLOGY. 47 



Kame. Locality. 



Acmaea mitella Mhe. 

 Pecten adspersus Sowh. non Lam. 

 Avicula atlantica Lam. 

 Area? ovata iJie. 



Mytilus . 



Modiola . 



Cardita affinis Soivh. 

 Cardium muricatum Linn. 



procerum Sowb. 

 Donax? compressus Lam. 

 Tellina cicercula Phil. 

 Cytherea corbicula Lam. 



argentina Sowh. 



semifulva ilile. 



chionaea Mke. 

 Venus cancellata Linn. 

 Corbula? ustulata Rve. 



January, 1848. 



V 1 jnrenke. — Einige neue, theils neuhollandische, uud mexi- 



canischer Mytilaceeu meiner Sammlung : vom Dr. K. T. 

 Menke. 



V 2 Mytilus spatula Mke. Mazatlan. 



V 3 biceps Mke. Vera Cruz. 



V 5 Modiola semilaevis Mke. Mazatlan. 



February, 1848. 



V 17 Philippi. — Testaceorum novorum centuria. Descripsit 



Dr. R. A. Philippi. 



V 19 CeTithium (Potamides) Hegewischii Phil. Mexico. 

 Juue, 1848. 



V 87 Dr. L,. Pfeiffer. 



V 87 Helicina turbinata Weigm. MS. Mexico. 



V 87 alata Mke. MS. Mexico. 



V 88 NacMrage zu L. Pfeiffer Monographia Heliceorum Viventium. 



V 90 Helix Fabricii Deck. Gree»land. 



H. niiida Fabr. 

 Petasia Fabricii Beck. 



