LEPTACHATINA, GROUP C. 15 



specimen of L. teres is an obtuse, subeylindrical shell, quite 

 thick (for the genus), with a vertical aperture which does 

 not extend beyond the penultimate whorl. 



16. L. TURRITA (Guiick). PI. 9, fig. 16. 



"Shell dextral, irnperf orate, ovately turrited, rather thin, 

 shining, translucent, dark corneous, finely striated; apex ob- 

 tuse, pallid ; spire turrited ; suture simple, lightly impressed ; 

 whorls nearly 9, flatly convex; columellar fold moderately 

 developed, whitish; aperture roundly lunate; peristome sim- 

 ple; with dextral margin unreflected, arcuate; columellar 

 margin dilated, thin, adnate; parietal margin wanting. 

 Length 9, diam. 4 mm. Body whorl 5 mill, long." (Gul.). 



Oahu: Mountain ravines of Lihue (Guiick). 



Achatinella turrita GUL., Ann. Lye. N. Y., vi, 1856, p. 192, 

 pi. 6, fig. 20. Achatinella obclavata ( L. sandwicensis 

 Pfr.), NEWC., Ann. Lye. N. Y., 1858, p. 322. Leptachatina 

 turrita BALD., Cat. Haw. Shells, 1893, p. 12. SYKES, Proc. 

 Mai. Soc. Lond., iii. pi. 14, fig. 6 ; Fauna Haw., ii, p. 372. 



I have only seen the type specimens, and agree with Mr. 

 Sykes that this species is not obclavata (= sandwicensis Pfr.) 

 to which species it was referred by Newcomb. Mr. Sykes' 

 figure of the type is copied. 



17. L. PERSUBTILIS n. sp. PI. 10, fig. 4. 



The shell is imperforate turrited, nearly corneous, diaph- 

 anous, thin, glossy, very finely and closely striated. Spire 

 turrited, apex rather blunt, rounded. Suture distinctly mar- 

 gined, scarcely impressed. Whorls nearly 8, almost flat, 

 closely coiled, increasing slowly and regularly, the last cylin- 

 drical, tapering towards the base. Aperture subovate, 

 slightly oblique, perpendicular. Columella nearly straight, 

 its face slightly concave, columellar fold rather strong, thin, 

 nearly median. Outer margin of lip regularly curved, erect, 

 slightly thickened within; columellar margin thin, appressed, 

 adnate; parietal wall covered with a thin, closely striated 

 callus. Length 8.7, diam. 3.6 ;, length of ap. 3.5 mm. 



Oahu: Waianae Mts. back of Waialua (Lyman). 



