MOLLUSCA 371 
Only two specimens. It belongs to the group of Z. exz/zs Gulick; is in- 
conspicuously costulate below the suture, the sculpture gradually fading out, until the 
last whorl hardly shews any marking beyond the lines of growth. There is a faint 
spiral line just below the suture. 
Has. Lanai, Mts. behind Koele (Perkins). 
(68) Leptachatina tenebrosa Pease. 
Labiella tenebrosa Pease, P. Zool. Soc. London, 1869, p. 651 (nom. sol.). 
Leptachatina tenebrosa Pease, J. Conchyl. xvii. (1870), p. 92; Crosse, I. c. xxiv. 
(1876), p. 96, pl. mi. fig. 5. 
Has. Kauai (Pease); Wahiawa (Baldwin); Kaholuamano, and at 4000 feet 
(Perkins). 
(69) Leptachatina tenuicostata Pease. 
Leptachatina tenutcostata Pease, J. Conchyl. xvi. (1869), p. 170. 
Has. Hawaii (Pease).—Oahu (Baldwin). 
I feel doubts as to the accuracy of the last locality, as Mr Baldwin marks it asa 
species he has not seen. 
(70) Leptachatina terebralis Gulick. 
Achatinella terebralis Gulick, Ann. Lyc. New York, vi. (1856), p. 193, pl. v1. 
fig. 21; Sykes, P. Malac. Soc. London, i. pl. xiv. fig. 3. 
Has. Oahu, Kawailoa (Gulick); Waianae Mts., below Kaala (Perkins). 
(71) Leptachatina teres Pfeiffer. 
Achatinella (Leptachatina) teres Pfeiffer, P. Zool. Soc. London, 1855 [1856], 
p- 206. 
Near ZL. obtusa Newcomb. 
Has. MHawaiian Islands. 
(72) Leptachatina turgidula Pease. 
Labiella turgidula Pease, P. Zool. Soc. London, 1869, p. 651 (nom. sol.). 
Leptachatina turgidula Pease, J. Conchyl. xvii. (1870), p. 89; Crosse, |. c, xxi. 
(1876), p. 96, pl. tv. fig. 5. 
Has. Kauai (Pease); Halemanu (Baldwin); Makaweli (Perkins). Five 
specimens. 
