NORTH AMERICAN CONCIIOLOGY. 



IGl 



Scwerby. — The Malacological and Conchological Magazine. 

 Conducted by G. B. Soweuby, &c. Part 1. London, 1838. 



Page. 

 23 



25 

 25 



25 

 26 

 26 

 26 

 26 

 26 



30 

 30 



Name. Locality. 



Article III. A descriptive Catalogue of the species of Leach's genus 

 Margarita. 



Margarita striata B)\ ^- Sowb. 

 arctica Leach. 



M. helicoides Beck. 

 Graenlaiidica Beck. 

 umbilicalis Sowb. 

 sulcata Br. 

 undulata Sowb. 

 costellata Sowb. 

 acumiuata Sowb. 



Boreal Ocean. 

 Baffin's Bay, &c. 



Greenland. 

 Melville Island. 

 Melville Island. 

 Arctic Ocean. 

 Arctic Ocean. 

 Arctic Ocean. 



Review of Jay's Catalogue of Shells, second edition. 



Aphrodite columba Lea = Cardium graenlandicum. 



Pfeifler. — ^Xovitates Conchologicse. Abbildung und Besehrei-. 

 bung neuer Conchylien : von Dr. Louis Pfeiffer. 1st Series. 

 Mollusca Extramariua. Cassel. 



Part 1, 1S55. 

 Pa. PI. Fig. 



70 XX ■ 1, 2 

 Part 8, 1857. 



82 xxii 11,12 

 89 XXV 7-9 



Part 9, 1857. 



91 XXV 18, 19 



92 XXV 1-3 



Name. Locality. 



Bulimus Cordovanus (Macrodontes)/y: Cordova. 



Achatina Texasiana Pfr. 

 Schasicheila Nicoleti Shuttl. 



Texas. 



Cordova, Vera Cruz. 



Chondropoma Cordovana/yr. Cordova, V. Cruz. 

 Ceres eoliiia Duel. Cordova, Vera Cruz. 



Ciirocolla eolina Duel. 



Helix eolina (^Helicodonta') Fer. 



Odontostoma eolinum Pfr. 



Proserpina eolina Pfr. 

 Salleana Cuming. Cordova, Vera Cruz. 



Proserpina Salleana Cuming. 



Spiralis Shuttle'worthi Pfr. Cordova, Vera Crnz. 



turgldula Pfr. Cordova, Vera Cruz. 



auriculacea Pfr. Cordova, Vera Cruz. 



Achatina Orizabae Pfr. (Varicella). 

 speciosa Pj'r. (Varicella). 



