NORTH AMERICAN CONCHOLOGY. 



119 



[Pfeiffer, Monographia, Hollc. Vivent.] 



Spiralis streptostyla Pfr. 



A cttaliua streplustyla 



coniformis Shuttl. [Pfr. 



Glandina coniforinisSh. 



flavescens Sh. {(Jland.) 



lymneiformis Shuttl. 



{Gland.) 

 *auriculacea Pfr. 



Cordova, Vera Cruz. 

 *bicomca Pfr. Chiapa. 

 physodes Shuttl. {Ach. 

 Gland. ) 

 *catenata Pfr. Chiapa. 

 *oblonga Pfr. Chiapa. 

 *parvula Pfr, Chiapa. 

 Nicoleti Shuttl. 



Achatina Nicoleti Pfr. 

 *dubia Pfr. Cliiapa. 

 *Orthalicu8 zebra Mull. 



Buccinum zebra Miill. 

 Bulla zebra Gmel. 

 Helix undata Fer. [Rve. 

 Bulimus zebra (var.) 

 undatus Brug. Mexico, 

 Zebra Mulleri Ch. [&c. 

 Helix undata Fer. 

 Bttlimus zebra Pfr. 

 *longU3 Pfr. 



Bulimus zebra S Pfr. 

 *livens Beck. Mexico. 

 Achatina fasciata Mull. 

 Buccinum fasciatum 



Miill. 

 Bulla fasciata Ch. 



virginea S Linn. 

 Bulimus vexillum Brug. 

 Helix vexillum Fer. 

 A. vexillum Lam.* 



lincata Vah 

 Bulimus fasciafus Binn. 

 A. murrea Rve. 

 crenata Swains. 

 Anais Lesson. 

 Bulimus zebra Orb. 



