LEPTACHATINA, GROUP P. 25 



30. L. ACCINCTA (Mighels). PI. 3, figs. 53, 56. 



"Shell dextral, conical, horn color, smooth, polished, im- 

 perforate; whorls six, convex, with an impressed revolving 

 line just below the suture; aperture semiovate; lip simple 

 acute. Length 4/15, diam. 2/15 inch." (6.6x3.3 mm.) 

 (Mighels.) 



Oahu (Mighels) : Keawaawa (Gulick) ; Waianae Mts., back 

 of Waialua (Lyman) ; Waianae Mts., Leilehua (Cooke). 



Achatina accincta MIGHELS, Proc. Bost. Soc. N. H., ii, 1845, 

 p. 20. REEVE, Conch. Icon., Achatina, sp. 101. PFR., Mon. 

 Hel. Viv., ii, p. 271; iii, p. 504. Achatinella (Amastra) ac- 

 cincta PFR., Mon. Hel. Viv., iv, p. 545 ; vi, p. 177 ; viii, p. 235. 

 Achatinella (Leptachatina) margarita PPR., P. Z. S. Lon- 

 don, 1855, p. 206; Mon. Hel. Viv., iv, p. 568; vi, p. 187; viii, 

 p. 247. Achatinella granifera GUL., Ann. Lye. N. Y., vi, 

 1856, p. 185, pi. 6, fig. 13. Leptachatina granifera mar- 

 garita GUL., P. Z. S. London, 1873, p. 91. Leptachatina 

 granifera SYKES, Proc. Malac. Soc. London, iii, pi. 14, fig. 5. 

 Leptachatina accincta PSE., P. Z. S. London, 1869, p. 650. 

 SYKES, Fauna Haw., ii, 1900, p. 356. Not Achatinella ac- 

 cincta GLD., U. S. Expl. Exped. Moll., pi. 7, fig. 97 = L. ven- 

 tulus Fer. 



The shells referred to this species are sometimes minutely 

 perforate, very glossy, and under a lens faintly striate. The 

 spire is ovately conical, apex subobtuse. The suture is 

 slightly impressed, narrowly margined. The whorls are very 

 slightly convex. The aperture is slightly oblique and very 

 slightly diagonal. Columellar fold rather strong. Lip thick- 

 ened, whitish. 



Length 7.2, diam. 3.5, length of ap. 3.2 mm. (Leilehua). 



Length 5.5, diam. 2.8, length of ap. 2.6 mm. (Leilehua). 



Length 6.0, diam. 3.2, length of ap. 2.7 mm. (Waianae Mts., 

 back of Waialua) . 



The last shell has a much smaller columellar fold than 

 the other two. 



Pf eiffer 's measurements for margarita are : Length 6.3, 

 diam. 3.0 mm. Aperture 3.0x1% mm. 



