STREPTAXIS §. 1. 2. 
i. Si. subrcgularis Pfr. 
T. anguste umbilicata, turbinalo-semiglohosa , superne con- 
ferlim et oblique costata, lineis transversis obsolete tlccussala, 
hyalino -albida; spira turbinata, acutiuscula; anfr. 7 convexi, 
ultimus varicosus, vix devians, basi laevigatus; apertura ob- 
liqua, lunaris, edentula; perist album, undique breviter refle- 
xum, margine columellari dilatato. — Diam. maj. 21, min. 19,. 
ait. 16 mill. (Mus. Cuming.) 
Streptaxis snhregtdarisPfr. inPhil. Icon. II. 1 3.p. 1 27. Helix t. 8.f. i 2. 
— — Chemn, ed. II. Helix t. 1 01 . f. 36 — 39. 
Habitat . . . ? 
X)’bs. Species H. Spixianae affinis, tamen ob slrucliiram sublrregularem 
» 'et' aii^|lbgiam cum Str. contusa aliisque huic generi .^dnumeranda. 
2. St. alvens Dunher. 
T. perforata, turbinata, regulariter oblique costulata, te- 
nuis, diaphana, corneo -albida; spira conica, acutiuscula; anfr. 
10 vix convexiusculi, 2 ultimi x\x deviantes, ultimus suban- 
gulatus, basi planulalus; apertura obliqua, edentula, lunato- 
ovalis; perist. simplex, margine supero perobliquo, dilatato, 
vix expanso, basali breviter reflexo. — Diam. maj. 10, min, 8%, 
ait. 10 mill. (Coli. Nr. 1.) 
Streptaxis alveus Dimker in Plui. Icon. II. 9. p. 6. Helix t. 6. f. 14. 
— - Chemn, ed. II. Helix I. 101. f. 33 — 35. 
Habitat in Brasilia. 
§. 
3. St, nobilis Cray. 
^ ^ ov^ta^tenuis, nitidula, albida; spira subregu- 
-iaris, conica, obtusiuSTiala; anfr. 6/2 convexi, coslulato- striati, 
^ tklfih^us *ahtrorsum deviatus, basi inflata sublaevigatus; apertura 
subverticalis, semiovalis; perist. expansum, late reflexum. — 
Diam. maj. 25, min. 20, ait. 25 mill. (Spec. coli. Gray.) 
Streptaxis nobilis Gray in Loud. mag. new ser. 1. p. 48 4. 
— — TT7e^»iann's Archiv 1838. II. p. 274. 
— — Phil. Icon. T. 3. p. 48. 
Habitat in Sierra Leoiie. 
^4, St. Blandingiana (Helix) Lea. q* 
T. subglobosa, cornea, longitudinaliter striata, imperforata, 
oblique depressa; anfr. 6; apertura oblique rotundata; labrum 
