22 Original Descriptions oj Aciiatindla . 



Shell dextral (sometimes sinistral), short ovate-conic, hardh- 

 shining, striated with lines of growth (not spiral), more or less 

 bright yellow, the whorls encircled in the middle with a broad 

 brown band (sometimes 2-3 bands at the base); suture narrowly 

 margined with brown (sometimes with white); whorls 6, slightly 

 convex, the first 3 always white ; spire almost perfectly conical, 

 hardly concave ; aperture whitish, receding ; lip light rose, some- 

 what expanded, thickened within; columellar fold large, rose. 



Affinities . It is most nearly allied to A. tiibcrans Gk. 

 Remarks. In Kalaikoa all are dextral ; in Ahonui one-tenth 

 are sinistral. — Gk. 



Hab. The metropolis is in Kalaikoa, on Oahu ; it is also 

 found in Ahonui. — Gk. 



Named from its yellow color. 



20. Achatinella tuberatis Gulick. 



Apex tuhei tins Gk. P. Zool. Soc. London, 1873, p. Si ; pi. .v, fig. 3. 



Testa dextrorsa, globoso-conica, nitida, itlcrementi linei.s (baud spirali- 

 bus) striata, cinereo strigata, zonis pluribus albidis nigro-fuscisque inter- 

 rupta ; sutura niarginata, pallida; anfract. 6, primi 3 albidi, convexiu.sculi, 

 caeteri convexi ; spira concava ; apertura alba ; perist. aliquanto dilatatuni, 

 intus incrassatutn, dilute roseo-fusco tinctvim ; plica columellaris valida, 

 albida. Long. 20, diam. 13 1-2 mill. 



Var. A. Testa alba, fusco luteoque varie zonata. 



Var. B. Testa subflava, nigro-fusco crebre zonata. 



Shell dextral, globosely conical, shining, striated with lines of 

 growth (not spiral), striped with ash, separated into many whitish 

 and blackish brown bands ; suture margined, whitish ; whorls 6, 

 first 3 whitish, somewhat convex, the others convex ; spire con- 

 cave ; aperture white ; lip somewhat expanded, thickened within, 

 tinged with light rose brown ; columellar fold strong, whitish. 



This is a dextral species. Sinistral forms are found only in a 

 few specimens passing into other species. — Gk. 



Affinities. It is most nearly allied to A.flavidus Gk. 



Hab. The metropolis of this species is Kalaikoa, on Oahu. 

 It is also found in Ahonui ; and single specimens have been 

 brought from Wahiawa and Helemano. — Gk. 



21. Achatinella leucorrhaphe Gulick. 



Apex leueoirkaplie Gk. V. Zool. Soc. London, 1H73, p. 79; pi. x, fig. 2. 



Testa dextrorsa, breviter ovato-conica, incrementi lineis (baud spirali- 

 bus) striata, grisea, strigis saturate cinereis irregulariter interruptis, line- 

 isque spiralibus paucis albis indistinctis ornata ; sutura late niveo ujarginata; 



