27 



Hab. in America mcricHonali. II. Cimiin^; nnum spc- 

 cimen uon a seipso lectum rcportavcrat sine loci relationc. 

 Proccedings. 1833. p. 37. 



39. C u 1 i n u s d i s c r e p n n s G. B. Soiverbi/. 



B. iesla oblonga, subacuminata, albicaute, nitidiuscula; 

 anfractibus quincpic v. sex, gibbosiusculis, lineis fuscis, 

 obllcjuis, irregulariter pictis, transversis, duabus infe- 

 rioribus subdistantibus, apertura subovata, supernc subacu- 

 minata. 



Long. 0-7 poll., lat. 033 poll. 



Similis b. nitido Brod. 



Lcgit II. Cuming sub cortice arborum in America cen- 

 trali (Conchagua). 



Proceedings. 1833. p. 72. 



40. Bulinus calvus G. B. Sowerhy. 



B. testa oblonga, subtiirrita, paUescenti-brunnea; an- 

 fractibus septcm breviusculis, rotundatiusculis^ apertura el- 

 liptica, margine interna incrassata; umbilico mediocri. 



Long. 0-6 polL, lat. 0-25 poll. 



Variat linca spirali albicantc. 



Legit II. Cuming ad insulas Gallapagos. 



Procecdings. 1833. p. 72. 



41. Bulinus ustulatus G. B. Sowerbi/. 



B. testa oblonga, subacuminata, fusco-nigricantc; au- 

 fractibus sex v. septem gibbosiusculis, lineis nonnullis pal- 

 lesccntibus pictis; apertura elliptica, columella crassiuscula, 

 albicante, margine acuta. 



Long. 0-6 poll., lat. 0-3 poll. 



Variat linea spirali pallida. 



Legit II. Cuming sub pai-ticulis lavac, ad insulas Gal- 

 ■ lapagos. 



Proceedings. 1833. p. 72. 



42. Bulinus pallidior G. B. Sowerbi/. 



B. testa oblonga, subacuminata, lota albicante; anfra- 

 ctibus scx, gibbosiusculis, ultimo maximo, infcrioribus 



