TOMIGERUS. — STREPTAXIS. 285 



Helix gihherula (Gochlodonta) Fer. prodr. p. 60. N. 481. 

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

 Moll. t. 2. f. 6. 7. 



— gibherulus Pfr. in Zeitschr. f. Malak. 1849. p. 66. 



— — Chemn. ed. II. Helix P. II. p. 7. t. 12 4. 



f. i— 3. 



— — Alhers Helic. p. 131. 

 Habitfit in Pernambuco. (Burr., Cuming.) 



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



8. — Alh. p. 131. — Desh. Trait6 616m. t. 83. 

 f. 3. 4. — Excludatur synon. Burrowianum et 

 palria Pernambuco. ) Mon. I. p. 2. 



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



II. p. 9. — Alb. p. 131.) - - - 3. 



4. T. Cuming^i 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, \ valida, trans- 

 versa iu medio marginis dextri, septima 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. ^V^, 

 min. 5, ait. 6 mill. Ap. c. perist. 3 miil. alta, Sy^ lata. (Mus. 

 Guming.) 



Tomigerus Cumingi Newcomh mss. 



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



— - Cheinn. 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 aequaii et fere eodem 

 colore, ex hyalino magis minusve in viridem vergente prae- 

 ditae sunt. Accedunt in enumeratione sequente species non- 



