204 HELIX §. 82. 



1292. H. dermatina Shuttleworth. 



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

 rugata, parum nitens, pellucida, fulvo-lutea, fasciis 2l angustis 

 rufis ornata; spira conica, acuta; anfr. iy^ vix convexiuscuii, 

 superne spiraliter sublirati, ultimus antice breviter deflexus el 

 subconstrictus, peripheria carinatus, basi convexus; columella 

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

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

 Diam. maj. 16, min. 13^2, alt. 11 raill. (Mus. Cuming.) 



Helix dermatina Shuttl. Diagn. n. Moll. Nr. 6. p. 133. 



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



— — (Geotrochiis) Pfr. Yers. p. 145. 

 p. Unicolor cerea , columella alba. 



Habitat rarissima ad Musas prope Luquillo insulae Portorico 

 (Blauner), Quebradillas (Hjalmarson). 



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



1294. H. gyrina Valenciennes. 



T. iraperforata, 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. ISYa, min. \1%, alt. 13 raill. (Mus. 

 Cuming.) 



Helix gytnna Val., Desh. in Fdr. Hist. t. 63 B. f. 4. 



— — Pfr. Mon. Helic. IIL p. 180. n. 967. 



Habitat in Brasilia. 



1295. Eva Pfr. {Proc. 1852. p. 84. — Rv. n. 977. t. 4 50. 



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



Vers. p. 14 5.) Mon.UI. p. 180. 



1296. pyxis Hinds. (Coll. 654. — Rv. n. 793. t. 130. — 



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



p. 141.) - -- 180. 



* * * 



1297. Tayloriana Ad. et Rv. -J- (Ru. n. 524. t. 96. 



— Thersites Pfr. Vers. p. 141. — Helkoslyla 



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



