356 FAUNA HAWAIIENSIS 



(loi) Amastra {Kauaia) knudseni Baldwin. 



Aviastra knudseni Baldwin, P. Ac. Philad. 1895, p. 234, pi. xi. figs. 43, 44. 



H.\B. 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). — Amastra testiidinea Baldwin, t. c. p. 10. Hab. Oahu, Ewa (Baldwin). 



Leptachatina Gould. 



Lcptachatina Gould, P. Boston Soc. 11. p. 201 ; type Achatinclla acuminata 

 Gould. 



It is frequently difficult to draw the line between this group and Amastra, and 

 perhaps such species as A. melampoides Pfr. {=A. ventulus Per.) may eventually be 

 transferred to Lcptachatina. 



Pfeiffer proposed Labiella (Malak. Blatt. i 1854, p. 142) for the group with an 

 incrassated lip, such as A. labiata 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. 



(i) Lcptachatina accincta Mighels. 



Achatina accincta (err. typ.) Mighels, P. Boston Soc. 11. (1845), p. 20; Reeve, 



Conch. Icon. Achatina, sp. 101. 

 nee Achatinclla accincta Gould, U.S. Explor. Exped. Mollusca, pi. vii. fig. 97. 

 Achatinclla granifera Gulick, Ann. Lye. New York, vi. (1856), p. 185, pi. vi. 



%• 13; Sykes, P. Malac. Soc. London, in. pi. xiv. fig. 5. 

 Achatinclla {^Lcptachatina) inargarita 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 L. grana Newc. 



Hab. Oahu (Mighels, Pfeiffer); Keawaawa (Gulick). 



