LEPTACHATINA, GROUP C. 13 



hardly convex, -increasing slowly and regularly, the upper 

 closely coiled, the last subcylindrical, tapering to the base. 

 Aperture subovate, slightly oblique and very slightly diagonal. 

 Columella nearly straight, with a very small oblique deeply 

 situated lamella. Outer lip quite strongly arcuate, slightly 

 thickened within, indistinctly edged with dark brown; colu- 

 mellar margin adnate above, reflexed. Umbilicus minute. 

 Length 6.3, diam. 2.6, length of ap. 2.6 mm. 



West Maui Maunahoomaha (Thaanum, Cooke) ; Mt. Lihau, 

 Honokowai Gulch and Akau-ka-iniu (Thaanum) ; Lahaina 

 (Baldwin). East Maui: Kailiili (Baldwin). 



Of the species from Maui, L. grana Newc. seems to be its 

 closest relative. L. bald-ivini is, however, minutely perfor- 

 ate, shorter with nearly an additional whorl; the whorls are 

 more closely coiled and flatter; the spire is less convex in 

 outline ; the aperture is smaller, etc. 



C. Group of L. cerealis. 

 13. L. CEREALIS (Gould). PI. 11, fig. 7. 



"Shell small, elongate, cylindrically conical, unpolished, 

 ashy chestnut, spire obtuse, whorls 7-8, nearly flat, the last 

 hardly more than one-third of the length; aperture small, 

 lunate, equal to a fourth of the length; lip simple, thick- 

 ened within; columellar fold obsolete, the penultimate whorl 

 covered with callus. Length %, diam. Vs inch." (9.6x3.2 

 mm.) (Gould). 



Oahu Waianae (Gould, Perkins). 



Achatinella cerealis GOULD, Proc. Bost. Soc., ii, 1847, p. 

 201 ; U. S. Exp., Moll., pi. vii, fig. 99, 99a. PFEIPFER, Mon. 

 Hel. Viv., iii, p. 466. Achatinella (Amastra) cerealis 

 PFEIFFER, Mon. Hel. Viv., iv, p. 545; vi, p. 178; viii, p. 235. 

 HARTMAN, Proc. A. N. S., Phila., 1888, pi. i, fig. 13. Lepta- 

 chatina cerealis PSE., P. Z. S., 1869, p. 651. SYKES, Fauna, 

 Haw., ii, 1900, p. 358. 



Among several more or less slender species from Waianae 

 I have been unable to find a single specimen which agrees 

 closely with Gould's type. 



