20 Original Description^ of Achatinetta. 



spira vix breviore ; plica columellari crassa, tuberculiformi, pallide lilacea ; 

 apertura diagonal!, sinuato-semicirculari ; perist. recto, nigro-fusco, limbato, 

 intus crenato-labiato. Long. 19 1-2, diam. 13 mill. 



Shell .sinistral, imperforate, globosel^' conical, solid, roughly 

 striate, rather shiny, whitish ; spire concavely conical, apex acute; 

 suture deeply margined ; whorls 51-2, the upper plain, the follow- 

 ing convex, the last inflated, hardly shorter than the spire ; colu- 

 mellar fold thick, tuberculiform, pale lilac ; aperture diagonal, 

 sinuously semicircular ; lip erect, blackish brown, margined, crenu- 

 lately thickened within. / 



Hab. Oahu. — Newc. Nuuanu. 



FORBESIANA GROUP. 

 16. Achatinella forbesiana Pfeiffer. 



A . forbesiana Pfr. P. Zool. Hoc. London, iSs5, p. 5; pi. xxx, fig 16. 



A. testa subperforata, dextrorsa vel sinistrorsa, ovato-conica, solida, con- 

 ferte striatula, nitida, grisea vel albida, fasciis crebris griseis vel fuscis, 

 sEepe conflnentibus picta ; spira exacte conica, sursum alba, apicnlo nigro 

 acutiusciilo ; sutura niarginata ; anfr. 6, convexiusculis, ultimo spira pa ulo 

 breviore, rotundato ; apertura obliqua, obauriformi ; plica coluniellari supera, 

 valida, nodiformi ; perist. fuscvilo vel carneo limbato, margine externo 

 breviter expanso, coKimellari crasso, subadnato. Long. 19, diam. 10 1-2 mill. 



Shell subperf orate, dextral or sinistral, ovately conical, solid, 

 closely striated, shining, gray or whitish, marked with numerous 

 gray or brown bands, often confluent ; spire markedly conical, 

 white above, with a somewhat acute black-tipped apex ; suture 

 margined ; whorls 6, somewhat convex, the last a little .shorter 

 than the spire, rounded ; aperture oblique, obauriform ; columellar 

 fold high, strong, tuberculiform ; lip margined with brownish or 

 flesh color, with the external edge .slightly expanded, thickened 

 at the columella, subadnate. 



Hab. Waialua, Oahu. — Bald. Near Waipio. 



17. Achatinella coniformis Gulick. 



At>ex cnnifnntiis Gk. P. 7,ool. ,Soc. London, 1873, p. So ; pi. ix, fig. 23. 



Testa sinistror.sa (interdum dextrorsa), globoso-conica, nitida, incre- 

 menti lineis oblique (hand spiralibus) .striata, brunnea, dilute brunneo stri- 

 gata, lineis spiralibus pluribus albidis indistincte cincta ; sutura .saturate 

 brunneo marginata ; spira leviter concava ; anfract. 6 1-2, primi 3 1-2 con- 

 vexiusculi, albidi, caeteri convexi ; apertura recedens, alba ; perist. paulu- 

 lum dilatatum intusque incrassatum, margine dilute roseo (vel brunneo) 

 tinctum ; plica columellaris valida. Long. 18, diam. 12 mill. 



Var. Testa sinistrorsa, cinereo-fusca, albo strigata, et lineis paucis spi- 

 ralibus albis cincta ; sutiira brunnea. 



