HELIX.— Plate LXV. 



white, covered with a deciduous epidermis, depressed 

 and spirally ridged above, interstices finely latticed, 

 rounded and striated beneath ; whorls six, the last 

 angled ; umbilicus large, perspective ; aperture small, 

 lunar, siauated at the upper part. 



Uab. 



Singularly characterized by its strongly-nifirked latticed 

 sculpture. 



Species 337. (Mus. Cuming.) 



Helix vortex. Ed. testa angtmte umbilicatd, convexo- 

 discoided, hyalind ; anfractibus quinque ad sex, coitvex- 

 iusculu, angitstis, obsolete striaiis, ultimo mbangulato. 



plerumque deorsum deviate ; aperturd laid, lunari ; 

 peristomate simplici, acute, margine columellari rrflej- 

 iusciilo. 



The vonTEX Helix. Shell narrowly umbilicatcd, con- 

 vexly discoid, hyaline; whorls five to six, rather con- 

 vex, narrow, obsolctely striated, last whorl slightly 

 angled, generally deviating downwards ; aperture 

 broad, lunar; lip simple, acute, columellar margin 

 somewhat reflected. 



Pfeiffer, in Wiegmau's Archives, 1839, p. 351. 



Hab. Cuba. 



A flatly convoluted shell, with a somewhat narrow and 

 deep umbilicus. 



