STREPTAXIS §. 2. 5 
incrassatum , reflexum ; columella laevis. — Diam. 0,7, long. 0,8^'. 
(Lea.) 
Helix Blandingiana Lea iu Transacl. Amer. phil. Soc. VII. p. 459. 
t. 12. f. 9. 
— Phil. Icon. I. 3. p. 49. 
Streptaxis Blandingiana Pfr. Symb. II. p. 109. 
Habitat in ripis fluvii St. Paul prope Liberia Africae, 
Obs. «In speciminibus aclullis umbilicus perfecte clausus est, plicamque 
e.\hibet reflexam.» 
5. St. rimata FfV. 
"V 
T. riinala, subglobosa, tenuis, alba sub epidermide cornea; 
anfr. ^^/2 convexi, oblique striati, ultimus subtilissime striatus, 
basi oblique compressus, rimam transversalem loco umbilici for- 
mans (sicut in Scarabis); apertura obliqua, semicircularis; perist. 
vix incrassatum, expansum, margine columellari reflexo. — Diam. 
20, all. 20 mill. (Coli. v. d. Buseb.) 
Streptaxis rimata Pfr. in Zeitschr. f. Mahk. 1847. p. 48. 
— — Chemn. cd. II. Helix l. 101. f. 40. 
Habitat . . . ? 
0. St. Dunkeri Pfr. 
T. rimata, ovato-globosa , pallide corneo-slraminea , superne 
eleganter coslulato-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 notatus, antice gibbus, 
angustatus; apertura perobliqua, subtriangularis, edentula; perist. 
album, undique reflexum. — Diam. raaj. 29,.rain. 24, ait. 20 mill. 
(Coli. Nr. 2.) 
Streptaxis Dunkeri Pfr, in Phil, Icon. U. 9, p. 7. Helix t. 6. f. 15. 
— — Ckemn. cd. U. Helix t. 102. f. I —3. 
Habitat in Brasilia, prope Neu-Freiburg. 
St. contusa (Helix) Ferussac. 
T. rimalo-perforata , compresso-globosa, corneo-straminea, 
superne costulato-striata , minute decussata, basi convexiuscula, 
laevigata; spira depresso -turbinata; anfr. 7 — 8 convexiusculi, 
ultimus deorsum devians; apertura obliqua, subtriangulato-luna- 
ris; perist. album, undique breviter reflexum. — Diam. maj. 21, 
min. 17, all. 14 mill. (Coli. Nr. 3.) 
Helix contitndata (Helicogena) FeV. prodr. N. 41. 
— contusa Fer. prodr. p. 67' Hist. t. 31. f. I. t. 39 B. f. 5. 6. 
(c. anini. ) 
