52 LEPTACHATINA, GROUP K. 



thinner than that of L. pachystoma; the costae are less pro- 

 nounced, the surface being smoother. Length 12.3, diam. 5.7 r 

 length of aperture 5.6 mm. 



This variety was especially abundant at Haleieie. 



65c. L. p. brevis n. var. PL 8, fig. 53. 



A small, obese, nearly smooth variety, with a short spire 

 and a rather large aperture, which is nearly % "the length of 

 the shell. Length 9.0, diam. 4.8, length of aperture 4.4 mm. 



Haleieie, Kauai. 



K. Group of L. ventulus. 



66. L. APPROXIMANS Ancey. PI. 3, fig. 46. 



" Shell oblong turrited, imperf orate, thin, with an oily 

 luster, smooth, but under a lens closely and obsoletely striate, 

 tawny corneous, encircled below the suture by a reddish brown, 

 line. Spire turrited, regularly conoidal, scarcely subcon- 

 vex or rectilinear, subclavate, obtuse. Whorls 8, slowly in- 

 creasing, somewhat convex, suture lightly impressed. The 

 last oblong, rotundate. Columellar fold strong, twisted, dirty 

 white. Lip slightly thickened. Length 12.5, 13.25, diam. 

 6.0, 6.5, length of ap. 5, 5.5 mm." (Ancey.) 



Oahu: Waianae (Durand) ; Waialua (Lyman). 



Leptachatiiia approximans ANCEY, Le Naturaliste, 1897, 

 p. 222. 



This species is somewhat closely related to L. cingula^M.igh. 

 It differs in its shorter and more conic spire, blunter apex and 

 less attenuate base. The aperture is smaller, and broader 

 in proportion to its length. 



67. L. CINGULA (Mighels). PI. 5, figs. 85, 86, 87, 88. 



' ' Shell dextral, ovate conic, horn-color, smooth and polished, 

 with a narrow brown band accompanying the suture ; whorls 

 7, convex; aperture small, subovate; lip simple. Length 

 11/20, diam. 14 inch." (13.9x6.3 mm.) (Migh.). 



Oahu (Mighels) : Manoa (Newcomb, for fumosa and 

 vitrea) ; Palolo (Gulick, Cooke) ; Mt. Tantalus (Thaanum, 

 Cooke) ; Konahuanui (Cooke). The specimens collected by 



