Descriptions of Neio Species of Achatinella. 23 



Shell dextral, elongate ovate, polished, finely striated longi- 

 tudinally. Color light flesh-colored above, two last whirls white 

 obscurely banded with light brown : whorls six, convex ; 

 suture slightly impressed, margined : aperture subovate ; colu- 

 mella twisted into a plait, slightly callous : lip slightly reflected, 

 dark brown. 



Length 0.9 inch. Breadth 0.45 inch. 



Variety *. Shell white, bluish white above, without coloring 

 or bands. 



Habitat. — Waiauai, Oahu. 



9. Achatinella dubia. 



Testa dextrorsa, conico-elongata, tenui, minute decussatim striata, 

 pallido-cornea, lineis zic-zac et maculis pallidis notata ; anfractibus sex ; 

 sutura simplici ; apertura ovata ; columella alba, in testis junioribus 

 bulimoidea, in adultis callo conspicuo praedita ; umbilico pervio, parvo ; 

 labio incrassato, subflexo. 



Shell dextral, conically elongate, thin, finely decussately 

 striated, light corneous with radiating zig-zag lines and blotches 

 of a light color ; whorls six ; suture simple : aperture ovate ; 

 columella white and bulimoid except in strongly developed 

 adults, where it is callous and obtusely dentated : umbilicus 

 small but pervious ; lip thickened, slightly reflected. 



Length 0.8 inch. Breadth 0.55 inch. 



Habitat. — Oahu, among stones. 



Remarlcs. — This shell may perhaps be identical with A. radi- 

 ata Gould, which from its ambiguous generic character, Pfeiffer 

 transferred to Bulimus, changing its specific name to Gouldi — 

 to avoid confusion with B. radiatus Brug. Our shell here 

 occupies its true generic position, unless we call it a Bulimus in 



