STREPTAXIS §.2. 5 



incrassatuin , reflexum ; columella laevis. — Diain. 0,7, long. 0,8". 

 (Lea.) 



Helix Blandingiana Lea in Transiu-t. Amer. phil. Soc. VII. p. 459. 

 t. \t. f. 9. 

 — — Phil. lcon. 1. 3. p. 49. 



Streptaxis Blandincjiana Pfr. Symb. II. p. 109. 

 Habitat in ripis fluvii St. Paul prope Liberia Africae. 



Obs. «In specimiuibus adullis uiiibilicus perfecle cltiusus est, plicaiiique 

 exhibet reflexam. » 



5. St. rimata Pfr. 



T. riinala, subglobosa, tenuis, alba sub epideruiide cornea; 

 aiifr. Gy^ convexi , oblique striati, ultiinus subtiiissime striatus, 

 basi oblique compressus, rimam transversalem loco umbilici for- 

 mans (sicut in Scarabis); apertura o])liqua, semicircularis; perist. 

 vix incrassatuin, expansum, margine columellari reflexo. — Diam. 

 20, alt. 20 mill. (Coll. v. d. Busch.) 



Streptaxis rimata Pfr. in Zeitschr. f. Malak. 1847. p. 48. 



— — Chemn. ed. II. Helix t. 101. f. 40. 

 Habitat . . . ? 



6. St. Dunkeri Pfr. 



T. rimata, ovato-globosa, pallide cornco-straminea , superne 

 eleganter costulato-striata, lineis concentricis minutissimis decus- 

 sata, basi convexa, excavata; spira elevata, conica, acutiuscula; 

 anfr. 8 convexiusculi , ultimus lateraliter devians , basi laevigatus, 

 nitidus, lineis impressis radiantibus, remotis notalus, antice gibbus, 

 angustatus; apertura perobliqua, subtriangularis, edentula; perist. 

 album, undique reflexum. — Diam. maj. 29, rain. 24, alt. 20 mill. 

 (Coll. Nr. 2.) 



Streptaxis Dimkeri Pfr. in Phil. Icon. II. 9. p. 7. Ilelix t. G. f. 13. 



— — Chemn. ed. IL Helix t. 1 02. f. 1—3. 

 Habitat in Brasilia, prope Neu-Freiburg. 



7. St. contusa (Helix) Ferussac. 



T. riinato-perforata , compresso-globosa, corneo-straminea, 

 superne costulato-striata, minute decussata, basi convexiuscula, 

 laevigala; spira depresso-turbinata; anfr. 7 — 8 convexiusculi, 

 ullimus deorsum devians; aperlura obliqua, subtriangulato-Iuna- 

 ris; pcrist. album, undique breviter reflexum. — Diam. maj. 21, 

 inin. 17, aU. 14 mifl. (Coll. Nr. 3.) 



Helix cuntundaia (Hehcogcna) Fer. piudr. N. 41. 

 — contusa Fer. prodr. p. 67. Hist. t. 31. f. 1. l. 39 13. f. 5. 6. 

 (c. aiiini. ' 



