238 ACHATINELLA §. 2. 



14. A. Migheisiana Pfr. ^(>,,f^^/,^.^^<i' " 



'^. '{''■ />?:■ 'A ? f i 'V'! i?h . 



T. ovato-coniformiS; laevigata, opaca, nitida, nivea, strigis 

 cinereis variegata; spira conica, apice acutiuscula; sutura sub- 

 marginala; anfr. 5'/^ convexi, ultimus infra medium linea nigri- 

 cante (interdum duplicata) cinctus; plica columellaris valida, den- 

 tiformis, basi castanea; apertura semiovalis, fusco-marginata; 

 perist. simplex, acutum. — Long. 17, diam. 8 mill. Ap. 872 mill. 

 longa, 4 lata. (Mus. Cuming. ) 



Achatinella Mighelsiana Pfr. in Proc. Zool. Soc. 18 47. 

 Habitat in ins. Sandwich. Molokai. 



Obs. Dilfert a praecedentibus anfractibus convexis etc. 



15. A. gravida (Helix) TkrusssiC.^////f,/'J£{. 



T. sinistrorsa, inflata, striatula; spira conica, acuta; epider- 

 mide brunneo-fugaci; anfr. ^/^; suturis non duplicatis ; apertura 

 semilunata, alba; perist. intus incrassato; columella alba, costa 

 distincta munita; rima umbilicali. (Fer.) — Long. 24, diam. 13mill. 

 Ap. 10 mill. longa, 6 lata. (ex ic.) 



Helix gravida (Cochlogena) Fer. hist. t. 155. f. 3. 



— — (HeHcteres) Fer. in voy. de Freyc. Zooi. p. 478. t. 68. 



f. 4. 5. 

 Bidimus gravidus Pfr. Synib. L p. 82. II. p. H5. 

 Achatinella gravida Pfr. in Proc Zool Soc. 1845. p. 90. 

 Habitat in insulis Sandwich. 



16. A. dccora (Helix) Ferussac. ,;;;;, ;^> 



T. sinistrorsa, globoso-acuminata, solida, albida, fasciis brun-' 

 neis cincta; anfr. 5%, superiores plani, 2 ultimi convexi; sutura 

 marginata; columella superne valide dentata; apertura obverse; 

 aurifonriis; perist. subincrassatum, intus violaceo-labiatum. — \ 

 Long. 1 8V1', diam. 1 2 mill. Ap. intus 8^2 mill.longa, Slata. (Goll. Nr. 8.)J 

 Helix decora (Cochlogena) Fer. pr. 430. Hist. t. 155. f. 5 — 7. 



— — (Helicteres) Fer. in voy. de Freyc. Zool. p. 478. 

 Achatitia decora Gray in Ann. of Phii. New ser. IX. p. 414. 



— — Kilster t. 8. f. 11. 12. 



Achatinella perversa Sivains. Monogr. p. 84. 



_ _ Swains. Zool. III. H. t. 99. f 2. 



— decora Jay catal. 1839. p. 58. 



— vestita Mighels in Bost. Proc. 1845 p. 20. 



*\ 



*) Shell sinislral, acuminate-conical, ligiit brown, orwhite, with beautiful, 

 narrow, dark brown bands, more or less numerous, imperforate; whorls 6, con- 

 vex; aperture semilunale; lip reflected. Average length 1 inch , diam. '/o inch. 

 (Migh. 1. c.) 



