Original Descriptions of Ac/iaiijiclla. 23 



anfract. 6 1-2, apex nigrescens, priini 4 albi, subplani, cteteri convexi ; aper- 

 tura pan'a, subauriformis, alba; perist. leviter dilatatum intusque incrassa- 

 tum; plica columellaris magna, rosea. Long. 19, diam. 12 mill. 



Var. Testa ovato-conica, griseo saturate cinereoque regulariter strigata; 

 spira recte conica. 



Shell dextral, short ovate-conic, striated with lines of growth 

 (not spiral), gray, irregularly broken by dark ash stripes, and 

 marked with a few indistinct white spiral lines ; suture broadh- 

 margined with snow white ; whorls 6 1-2, apex blackish, first 4 

 white, nearly flat, the others convex ; aperture small, subauri- 

 form, white ; lip slightly expanded and thickened within ; col- 

 umellar fold large, rose. 



No sinistral form of this species has been found. — Gk. 



Hab. Kalaikoa. A variety with spire regularly conical is 

 reported to have been found in Waimea. — Gk. 



22. Achatinella versicolor Gulick. 



Apex versicolor Gk. P. Zool. Soc. London, 1873, p. 80; pi. i.x, fig. iS. 



Testa sinistrorsa, globoso-conica, nitida, incrementi lineis (hand spirali- 

 bus) striata, griseo-alba, nigro-fusco irregularitcr strigata et zonata, basi nigro- 

 f usca ; sutura leviter marginata, alba ( interdnm brunnea ) ; spira leviter 

 concava ; anfract. 6, primi 3 pallidi, convexiusculi, caeteri convexi ; apertura 

 alba, recedens ; perist. aliquanto dilatatum, intus limbatum dilute roseo-fusco 

 tinctum ; plica columellaris valida, palide rosea. Long. 19, diam. 13 mill. 



Var. Testa griseo-alba vix strigata ; anfract. ult. ad peripheriam ba- 

 si mque nigro-fusco zonatus. 



Shell sinistral, globosely conical, shining, striated with lines 

 of growth (not spiral), grayish white, irregularly striped and 

 banded with blackish brown, blackish brown at the base ; suture 

 lightl}- margined, white (sometimes brown); spire slightly concave; 

 whorls 6, first 3 light, somewhat convex, the others convex : aper- 

 ture white, receding ; lip somewhat expanded, tinged within the 

 margin with light rose brown ; columellar fold strong, pale rose. 



Affinities. It seems to be an intermediate form between 

 A. decorus Fer. and A. tiiberans Gk, This species is always sin- 

 istral. — Gk. 



Hab. Ahonui and Kalaikoa, on Oahu. — Gk. Wahiawa. 



23. Achatinella innotabilis Smith. 



Apex innotabilis Sm. P. Zool. Soc. London, 1S73. p. 78; pi. ix. fig. 17. 



Testa sinistrorsa, subperforata, globoso-conica, incrementi lineis leviter 

 striata, cervina, saturatius strigata (interdvim lineis spiralibus paucis albis 

 fuscisque ornata); apex fere albus, nucleo rubro-corneo ; anfract. 6, primi 4 

 planiusculi, cteteri convexi; sutura distincte marginata; apertura intus 

 pallidc rubescens ; perist. leviter dilatatum, intus incrassatum; plica col- 

 umellaris magna. Long. 18 1-2, diam. 11 1-2 mill. 



