STREPTAXIS. 11 



antrorsum devians, antice et circa perforationem compressus, 

 scrobiculatus ; apertura semiovalis , ringens , lamella linguaeformi 

 intrante, curvata parietis aperturalis coarctata; perist. carneum, 

 late reflexum, dentibus 5 marginem non atlingentibus munitum, 

 margine dextro antrorsum arcuato. — Diam. maj. 10, min. 6'/2, 

 alt. Ey^ mill, (Mus. Cuming.) 



Helix aherrata Soul. Petit in Revue zool. 1841. p. 101. 

 — — Phil. Icoii. 1. 3. p. 49. 



Streptaxis aberrata Pfr. Symb. II. p. 1 09. 



— — Phil. Icon. II. 1 3. p. 129. Helix t. 8. f. 7. 



— — Chemn. ed. U. Helix t. 102. f. 27 — 30. 



Habitat in Cochincliina. 



Obs. Hel. Dussumieri Fer. in Mus. Paris et contusula Fer., liuc speclantes, 

 miiii ignolae sinit. — Praeterea Artemon planulatus Beclv (e Bras.) , A. bifrons, 

 protractus et cylinder Beck (e Guinea) huic generi adnumerandi videnlur. 



^SliSTf: IV.-^edoBtostoma Orbigny. _. 



" ' 1. O. eolinum (CarocoUa) Duclos.^'^ 



T. imperforata, subsemiglobosa , carinata, superne leviter 

 conica, scabriuscula , infra carinam acutam inflata, glaberrima, 

 rubra; anfr. 5 '/2 angusti, ultimus magnus; columella basi uniden- 

 tata ; apertura subtrianguiaris , coarctata : dentibus 2 lamellifor- 

 mibus ad ventrem anfractus penultimi, 3 parallelis marginem 

 dextrum fere attingentibus ; perist. simplex, acutum. — Diam. 

 maj. 25, min. 21 '/2, alt. 13 mill. (Ex icone speciminis unici in 

 collectione Dupontiae. ) "" 



Carocolla eolina Duclos in Guerin. raag. 1834. t. 30. 



Helix eolina ( Helicodonta ) Feruss. in Bull. zool. 1835. p. 12. 

 — — Chemn. ed. U. Helix t. 1 00. f. 10. 11. 

 Habitat in imperio mexicano teste Ferussac. 



2. O. globulosum Orbigny. •Jc.". 



T. orbiculato-globulosa, laevigata, niticla , lutea ; spira brevis, 

 convexa, apice obtusa; anfr. 5 contigui; apertura semilunaris;! 

 labrum acutum; columella incrassata, Mamellata, — Diam. 4, 

 alt. 3/2 mill. (0.) 



Odontostoma globulosa Orb. moU. cub. I. p. 2 39. t. 18. f. 8 — 1 1. 

 llabitat in intcriore insulae Cubae. 



3. O. depressum Orbigny. "^ ^r^^?). -^if'/^ 



V T. orbiculato-depressa, tenuisydiaphana, lacvigata, nitida. 

 kitescens; spira convexiuscula^brevis, apice obtusa; anfr. 6 con- 



