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(4) Amastra assimilis Newcomb. 
Achatinella assimilis Newcomb, P. Zool. Soc. London, 1853 [1854], p. 148, 
plexxun fies 42: 
Amastra assimilis Newcomb, Gwatkin, P. Ac. Philad. 1895, p. 238 [radula}. 
Achatinella deshayestt Morelet, Bull. Soc. Hist. Nat. Moselle, 1857, p. 27 
[ pars |. 
It has been suggested that this is a variety of A. xubzlosa Mighels, but the present 
species is a more slender shell with much flatter whorls. 
Has. W. Maui (Newcomb). 
(5) Amastra aurostoma Baldwin. 
Amastra aurostoma Baldwin, Nautilus, x. (July, 1896), p. 31. 
Has. Lanai (Baldwin). 
(6) Amastra badia Baldwin. 
Amastra badia Baldwin, P. Ac. Philad. 1895, p. 230, pl. x1. fig. 4o. 
Has. Oahu, Ewa (Baldwin). 
(7) <Amastra biplicata Newcomb. 
Achatinella biplicata Newcomb, P. Zool. Soc. London, 1853 [1854], p. 156, 
ple xxiv. fig. 75. 
Achatinella deshayesti Morelet, Bull. Soc. Hist. Nat. Moselle, 1857, p. 27 [ pars]; 
Pease, P. Zool. Soc. London, 1869, p. 652. 
Morelet’s original series, now in the British Museum, consists of three specimens, 
one belonging to this species, and two to A. assimilis Newc.; his diagnosis however 
refers to a form with only one columellar plait. From Mr Perkins’ long series, it 
appears that the upper plait is variable and sometimes becomes obsolete; in one 
specimen, which has received an injury, both plaits are dwarfed so as to show only as a 
slight thickening of the columella. 
Has. Lanai (Newcomb); Waiapaa and Koele (Perkins). ’ 
(8) Amastra breviata Baldwin. 
Amastra breviata Baldwin, P. Ac. Philad. 1895, p. 231, pl. x1. figs. 45, 46. 
Has. Oahu, Palolo and Halawa (Baldwin). 
