NORTH AMERICAN CONCHOLOGY. 45 



Vol. Pa. Xame. Locality. 



February, 1847. 



Pfeiffer. — Diagnosen neuer Heliceen. 

 iv 32 Helix pachyloma Mice. Texas. 



April, 1S47. 



iv 59 Diinker. — Diagnoses Buccinorum quorundum novorum. 



Auutore Guil. Dunker. 



iv 61 Buccinum Antoni Dunker. Mexico. 



May, 1847. 



iv 71 Pllilippi. — Testaceorum novorum centuria. Descripsit 



Dr. A. R. Philippi. 



iv 73 Periploma anguliferum Phil. Galveston, Texas, 



iv 77 Douax Texasiana Phil. Galveston, Texas. 



June, 1S47. 



iv 95 Unio Aztecorum Phil. Mexico, 



iv 95 Mexicanus Phil. Mexico. 



iv 96 Liebmanui Phil. Mexico. 



August, 1S47. 



iv 113 Modiola Californiensis Esch. California. 

 (^Pholas Uqisu calcDni.) 



October, 1847. 

 iv 1-15 Pfeiffer. — Diagnosen neuer Landsclinecken. 



iv 147 Bulimus harpa. 



iv 150 Helicina lirata P/r. Mexico, Yucatan. 



iv 151 Aphorismen zur Gescbiclite der Heliciuaceen. 



Notes on — 

 iv 155 Helicina orbiculata. Texas. 



December, 1S47. 



Menke. — Verzeichniss eiuer Sendung von Conchylien von 

 Mazatlan, mit einigen Kritischen Bemerikungen : vom Dr. 

 K. Th. Menke. 



Siphonaria lecanium Phil. 

 Littorina aspera Phil. 

 Turritella imbricata f.am. 

 Vermetus glomeratus Rousseau. 

 Natica iostoma MLe. 

 maroccana h'orh. 



Nerita maroccana Chemn. 

 Ckemnilzii Pfr. 



