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-imu (Thaanum) ; Lahaina 

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



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

 closest relative. L. baldwini 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. % inch." (9.6x3.2 

 mm.) (Gould). 



Oahu Waianae (Gould, Perkins). 



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

 201 : U. S. Exp., Moll., pi. vii, fig. 99, 99a. PFEIPFEB, Mon. 

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

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

 HARTMAX, 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. 



