HELICID^!. 



46. Bulimulus (Thaumastus) confinis, Rv. 



(var. B. liquabilis, Rv., fide Cr. and F.) 

 3 Texas ; ex c. Prof. W. Newcomb. 



47. Bulimulus (Thaumastus) dealbatus, Say. 



(fide Binn., var. B. confinis and B. liquabilis, Rv.) 

 12 Texas ; ex c. Rev. E. R. Beadle and Prof. W. Newcomb. 



48. Bulimulus (Thaumastus) exilis, Gm. 



[= B. guadaloupensis, Femssac.] 



5 West Indies ; ex c. Evenor Dupont, Esq., and G. Nevill, Esq. 

 1 Guadaloupe ; ex c. Prof. W. Newcomb. 



49. Bulimulus (Thaumastus) schiedeanus, Pffr. 



1 Texas ; ex c. Rev. E. R. Beadle. 



50. Bulimulus (Thaumastus) alternatus, Say. 



[= B. mariei, Alb.] 



2 Texas ; ex c. Dr. F. Stbliczka. 



1 Mexico ; ex c. Dr. F. Stoliczka. 



Sub-Genus ATAXUS, Alb. (type B. umbilicaris, Soul.) 



51. Bulimulus (Ataxus) infundibulum, Pfeiffer. 



1 Peru ; ex c. A. Morelet, Esq. 



Sub-Genus MORMUS, Alb. (type B. papyraceus, Mawe.) 



52. Bulimulus (Mormus) papyraceus, Mawe. 



[= B. Uta, Desh.] 



2 Brazil ; ex c. F. L. Layard, Esq. 



| 



53. Bulimulus (Mormus) hegewischi, Pfeiffer. 



1 Mexico ; ex c. A. Morelet, Esq. 



54. Bulimulus (Mormus) jussieui, Hupe. 



2 Peru ; ex c. A. Morelet, Esq. 



55. Bulimulus (Mormus) jonasi, Pfeiffer. 



3 Guatemala ; ex e. A. Morelet, Esq. 



