TOMIGERUS. — STREPTAXIS. 285 



Helix gibberula (Cochlodontaj Fer. prodr. p. 60. N. 481. 

 Tomigerits principalis Sow. in Proc. Zool. Soc 18 49. p. 14. 

 MoU. t. 2. f. 6. 7. 



— gibberulus Pfr. in Zeilschr. f. Malak. 1849. p. 66. 



— — Chemn. ed. II. Helix P. II. p. 7. i. 124. 



f. 1—3. 



— — Albers Helic. p. 131. 

 Habital in Pernambuco. (Burr., Cuming.) 



* 



2. clausus Spix. (Coll. 1. — Chemn. ed. II. P. II. p. 



8. — Alb. p. 131. — Desh. Trait6 6i6m. t. 83. 

 f. 3. 4. — Exciudatur synon. Burrowianiim et 

 patria Pernambuco. ) Mon. I. p. 2. 



3. turbinatus Pfr. (Coil. 2. - Chemn. ed. II. P. 



II. p. 9. — Alb. p. 131.) - - - 3. 



4. T. Cumingi Newcomb. 



T. breviter rimata, compresso-conica , sublaevigata, tenuis, 

 cornea, nitidula, diaphana; spira conoidea, obtusa; anfr. 4 

 convexi. ultimus subinflatus, latere aperturali vix compressus, 

 antice non ascendens, crista fornicata, compressa, a basi ar- 

 cuatim ad angulum dextrum peristomatis ascendente munitus; 

 apertura axi parallela, subtrapeziformis, lamellis 6 instructa : 

 2 in pariete aperturali transversis, superiore majore, 3 sub- 

 aequalibus, approximatis in margine basali, 1 valida, trans- 

 versa in medio marginis dextri, seplima dentiformi, profunda 

 in angulo supero aperturae; perist. tenue, acutum, expansum, 

 intus albolabiatum, margine supero brevi, cum dextro stricti- 

 usculo angulatim juncto, basali longissimo. - — Diam. maj. 7^^, 

 min. 5, alt. 6 mill. Ap. c. perist. 3 mill. alta, 37^ lata. (Mus. 

 Cuming.) 



Tomigerus Cumingi Newcomb mss. 



— — Pfr. in Zeitschr. f. Malak. 1849. p. 67. 



— — Chemn. ed. II. Helix P. II. p. 9. t. 125. f. 



12 — 14. 

 Habitat prope Para Brasiliae. 



VII. Streptaxis Gray. 



Genus in Monogr. I. p. XVIII breviter descriptum, cujus 

 omnes species notae structura testae aequali et fere eodem 

 colore, ex hyalino magis minusve in viridem vergente prae- 

 ditae sunt. Accedunt in enumeralione sequente species non- 



