8 STREPTAXIS §. 3. 



14. St. Souleyetiana (Helix) VGi\\.J]l//.^}}/JxJiJ7. 



T, umbilicato-rimata, ovato-depressa, luteo-virens , superne 

 confertim costulato-striata, lineis spiralibus obsolete decussata: 

 spira lateralis , obtusa ; anfr. 6 — 7 vix convexiusculi , penultimus 

 subangulatus , ultimus antrorsum devians, basi glaber, nitidus, 

 antice constrictus; umbilicus latiusculus, clausus; apertura trun- 

 cato-ovalis; perist. album , breviter expansum , marginibus conni- 

 ventibus, callo tenui, lamellam intrantem mediocrem emittente 

 junctis. — Diam. raaj. 13, min. 9, alt. 6'/2 miil. (Mus. Cuming.) 



Helix Souleyetiana Petit in Revue zool. 1841. p. 99. 

 — — Phil. Icon. I. 3. p. 48. 



Streptaxis Souleyetiana Pfr. Symb. II. p. 110. 



— — Phil. Icon. II. 13. p. 130. Hellx t. 8. f. 6. 



— — Chemn. ed. II. Helix t. 102. f. 21 —23. 

 Ilabitat in insulis Sechellis. 



15. St. Maugerae Gray.^^/'.-f^^4?/!v'f;- 

 T. vix perforata, transverse oblonga, laevigata, pellucida, 

 albida; anfr. 5, primi 4 regulares, planiusculi, ultimus obliquis- 

 sime deviatus; apertura truncato-ovalis ; perist. simplex, brevis- 

 sime reflexum, marginibus callo tenui, unidentato junctis. — 

 Diam. maj. H , min. 7 '/2, alt. 3 mill. (Spec. coll. Gray.) 

 Streptaxis Maugerae Gray in Loud. mag. new ser. I. p. 484. 

 _ _ Wiegm. Arch. 1 8 38. II. p. 274. 



— — Phil. Icon. I. 3. p. 48. 

 Habitat in Sierra Leone. 



16. St. Petiti Gould... ,. • )-/i^ 



T. umbilicata, depresse ovata, tenuis, pellucida, virescenti- 

 albida, superne confertim costulato-striata; spira lateralis, acutius- 

 cula; anfr. 7 convexiusculi , penultimus subangulatus , ultimus 

 antrorsum devians, basi glaber; umbilicus angustus, non pervius; 

 apertura perobliqua, truncato-oblonga, lamella modiocri, simplice, 

 intrante parietis aperturalis coarctata; perist. late expansura, 

 reflexura, raarginibus subparallelis, dextro antrorsum arcuato, 

 medio subincrassato , sinistro strictiusculo. — Diam. maj. 10, 

 min. 7, alt. 6 mill. (Mus. Cuming.) 



Streptaxis Petiti Gould h\ Bost. journ. IV. 4. p. 436. t. 24. f. 7. 



— — Phil Icon. n. 1 3. p. 130. Helix t. 8. f 1 1 . 

 Habitat in imperio birmano prope Tavoy. 



17. St. comboides CHelix) Orbigny. ^ p;^ ..,< 



T. perforata, depresso-ovata, striatula, glabra, nitida^cerea, ' 

 spira lateralis, obtusa; anfr. 6 — 7 vix convexiusculi, ultimus 

 antrorsum devians, antice rotundatus; perforatio mediocris, non 



