56 FAUNA HAWAIIENSIS 
ios) 
(101) Amastra (Kauaia) knudsent Baldwin. 
Amastra knudsent Baldwin, P. Ac. Philad. 1895, p. 234, pl. x1. figs. 43, 44. 
Has. Kauai, Halemanu (Baldwin, Perkins). A single specimen of this very 
fine species. 
The following appear to be only MS. names: Amastra ferruginea Baldwin, 
Cat. Shells Hawaiian Islands, 1893, p. 9 (nom. sol.). Hab. Oahu, Ewa and Waianae 
(Baldwin).—A mastra testudinea Baldwin, t. c. p. 10. Has. Oahu, Ewa (Baldwin). 
LEpTACHATINA Gould. 
Leptachatina Gould, P. Boston Soc. u. p. 201; type Achatinella acuminata 
Gould. 
It is frequently difficult to draw the line between this group and Aastra, and 
perhaps such species as 4. melampordes Pfr. (=A. ventulus Feér.) may eventually be 
transferred to Leptachatina. 
Pfeiffer proposed Ladzelda (Malak. Blatt. 1. 1854, p. 142) for the group with an 
incrassated lip, such as A. dadzata Newc., and perhaps it may, conchologically, form a 
convenient section. 
The species are principally from Oahu, but an elongate and generally striate group 
characterizes the older Islands, such as Kauai. 
(1) Leptachatina accincta Mighels. 
Achatina accincta (err. typ.) Mighels, P. Boston Soc. nm. (1845), p. 20; Reeve, 
Conch. Icon. Achatina, sp. 101. 
nec Achatinella accincta Gould, U.S. Explor. Exped. Mollusca, pl. vit. fig. 97. 
Achatinella granifera Gulick, Ann. Lyc. New York, vi. (1856), p. 185, pl. vi. 
fig. 13; Sykes, P. Malac. Soc. London, 1. pl. xiv. fig. 5. 
Achatinella (Leptachatina) margarita Pfeiffer, P. Zool. Soc. London, 1855, p. 206. 
Gulick admitted (P. Zool. Soc. London, 1873, p. 91) the identity of his species 
with Pfeiffer’s. If Mighels’ dimensions and description are accurate, I think the above 
identification will prove correct. The shell figured by Gould does not appear to be 
Mighels’ species. See also a note under Z. grana Newc. 
Has. Oahu (Mighels, Pfeiffer); MKeawaawa (Gulick). 
