Descriptions of Nero Species of Achatinella. 21 



5. Achatinella Gould i. 



Testa dextrorsa, ovato-conica, longitudinaliter striata, albido-luteola ; 

 sutura subimpressa, baud vel levissime marginata ; anfractibus sex, 

 plano-convexis, tertio lineis brevibus fuscis, formae zic-zac notato, inferio- 

 ribus tribus lineolis variis fuscis cinctis ; apertura rotundo-ovato, flaves- 

 cente ; columella subcallosa ; labio expanso et inferne reflexo. 



Shell dextral, conically ovate, longitudinally striate ; suture 

 moderate, not margined, or but slightly so ; whorls six, flatly 

 convex. Color yellowish- white, with zig-zag lines of brown on 

 the third whorl, and brown lineations more or less numerous 

 encircling the three lower whorls ; aperture rounded-ovate, 

 yellowish ; columella lightly callous ; lip expanded and below 

 reflected. 



Length 0.85. Breadth 0.45 inch. 



Habitat. — On Tutui trees, Wailuku valley, Maui. 

 6. Achatinella rufa. 



Testa sinistrorsa, conico-ovata, solida, striis decussata, fusco-rubra, epi- 

 dermide fusco, albo-permixto induta ; sutura simplici, subimpressa ; 

 anfractibus sex, plano-convexis ; anfr. superioribus epidermidis lineolis 

 albis in zic-zac dispositis, qua? in ultimo anfr. in fusco-cinereo concolore 

 evanescunt ; anfr. ultimo, infra medium albo-zonata, ; apertura fusco- 

 rubra, ; columella valde callosa, ; umbilico exiguo aperto ; labio expanso, 

 inferne reflexo. 



Shell sinistral, conically ovate, solid, with decussating strioe ; 

 ground color externally and internally brownish red, covered 

 with an epidermis of a mottled brown and white, the latter 

 arranged on the central whorls in fine zig-zag markings, which 

 are lost on the last whorl in a uniform greyish umber ; 

 lower half of this whorl encircled by a broad white band ; 



