LEPTACHATINA, S.-G. LABIELLA. 79 



"Var. c. Light corneous, thinner, with lip but slightly 

 thickened." (Gulick.) 



Oahu: Halemanu, Waihiawa, Kalaikoa (Gulick) ; Waianae 

 Mts. back of Leilehua (Cooke). 



Achatinella lagena GULICK, Ann. Lye. N. Y., vi, 1856, p. 

 175, pi. 6, fig. 3. Achatinella labiata NEWCOMB, Ann. Lye. 

 N. Y., vi, 1858, p. 328. Achatinella (Leptachatina) fumosa 

 NEWC., var. ? lagena PFR., Mon. Hel. Viv., vi, p. 182. Lepta- 

 chatina lagena SYKES, P. Malac. Soc. London, iii, 1899, pi. 14, 

 fig. 9. Leptachatina (Labiella) labiata SYKES, Fauna Haw., 

 ii, 1900, p. 365. 



L. lagena approaches L. labiata in form ; the spires of both 

 species are similar, but the apertures are entirely distinct. 

 In the former there is no callosity within the outer margin 

 of the lip, which is regularly arcuate and not flattened as 

 in the latter species. L. lagena is also thinner, and dark 

 resinous in color. This species was considered by Newcomb 

 to be an undeveloped L. labiata; but fully adult specimens 

 are easily distinguished from the young of the latter species. 

 Figs. 83, 84 represent a specimen received from Mr. Gulick. 



103. L. LENTA n. sp. PI. 2, figs. 23, 24. 



The shell is imperforate, elongately conic, the embryonic 

 whorls whitish, the rest brown, with a faint reddish line ac- 

 companying the suture, under a lens faintly and irregularly 

 striate with lines of growth. Spire elongately conic, apex 

 rounded. Suture hardly impressed, faintly margined, min- 

 utely crenulate. Whorls 6% ? nearly flat, regularly increas- 

 ing, the last subcylindrical, tapering to the base. Aperture 

 narrow, acute at both ends, oblique, perpendicular. Colu- 

 mella nearly straight, with a rather strong oblique fold, and 

 an acute callus along its face. Outer lip arcuate, strongly 

 thickened within, whitish ; columellar margin reflexed, adnate. 

 Length 8.4, diam. 3.7, length of ap. 3.7 mm. 



West Maui- Maunahoomaha (Cooke), Wahakuli (Bald- 

 win). 



A rather interesting species, which seems to be related to 

 L. labiata Newc., from Oahu. It is much smaller than the 



