204 HELIX §. 82. 



1292. H. dermatina Shuttleworth. 



T. imperforata , globoso-conica , tenuis , oblique leviter 

 rugata, parum nitens, pellucida, fulvo-lutea, fasciis 21 angustis 

 rufis ornata; spira conica, acuta; anfr. 4^^ vix convexiusculi, 

 superne spiraliter sublirati, ultimus antice breviter deflexus et 

 subconstrictus, peripheria carinatus, basi convexus; columella 

 plana, leviter arcuata, violacea; apertura diagonalis, rotundato- 

 lunaris; perist. rufo-violaceum, undique breviter expansum. — 

 Diam. maj. 16, min. ISy^, alt. 11 mill. (Mus. Cuming.) 



Helix dermatina Shuttl. Diagn. n. 3Ioll. Nr. 6. p. 133. 



— — Reeve Conch. ic. n. 1289. t. 186. 



— — (Geotrochus) Pfr. Vers. p. 145. 

 p. Unicolor cerea , columella alba. 



Habitat rarissima ad Musas prope Luquillo insulae Portorico 

 (Blauner), Quebradillas (Hjalmarson). 



1293. vitracea Fer. f {Fer. t. 64. f. 5.) Mon.III. p. 180. 



1294. H. gyrina Valenciennes. 



T. imperforata, elevato-conica, tenuiuscula, subregulariter 

 striata et (sub lente fortiore) striis confertis spiralibus decus- 

 sata, diaphana, albida; spira conica, apice acuminata; anfr. 

 6^2 planiusculi, ultimus acute carinatus, antice vix descendens, 

 basi parum convexus; apertura perobliqua, subquadrangularis ; 

 perist. intus subincrassatum , album , margine dextro leviter 

 flexuoso, sublate expanso, basali reflexo, columellari breviter 

 adnato. — Diam. maj. 13^2, min. llVa» a^t- ''^ mill. (Mus. 

 Cuming.) 



Helix gyrina Val., Desh. in Fer. Hist. t. 63 B. f. 4. 



— — Pfr. Mon. Hehc. III. p. 180. n. 967. 



Habitat in Brasilia. 



1295. Eva Pfr. (Proc. 1852. p. 84. — Rv. n. 977. t. 150. 



— Ch. ed. nov. III. p. 190. — Geolrochus Pfr. 



Vers. p. 145.) Mon.III. p. 180. 



1296. pyxis Hinds. (Coli. 634. — Rv. n. 793. t. 4 30. — 



Ch. ed. nov. III. p. 293. — Oxychona Pfr. Vers. 



p. 141.) - - - 180. 



1297. Tayloriana Ad. et Rv. •{• [Rv. n. 524. t. 96. 

 — Thersites Pfr. Vers. p. 141. — Helicostyla 

 Tayl. [Gorasia] Ad. Gen. p. 193.) - -- 181. 



