LEPTACHATINA, GROUP A. 5 



MOLOKAI. 



Group B : Igevigata. 



E : molokaiensis. 



F : emerita, coneolor, conicoides, varia. 



G: coruscans. 



N: lanceolata. 

 Thaanumia: thaanumi, morbida. 



MAUL 



Group B : fulgida, baldwini. 



E : obsoleta. 



F: guttula, ovata, vitreola, grana. 



G: nitida, compacta, isthmica, praestabilis. 



H: kuhnsi. 



K: conspicienda. 

 Labiella: lenta. 

 Thaanumia : dulcis. 



LANAI. 



Group F : sub ovata. 

 H : srnithi. 

 I : semipicta. 

 K: perkinsi, longiuscula. 

 N: impressa, supracostata, lanaiensis. 



HAWAII. 



Group F : arborea, simplex, anceyana, def uncta, lepida. 



G: konaensis. 



N : imitatrix, tenuicostata. 

 Thaamunia: henshawi. 



Subgenus LEPTACHATENA s.s. 

 A. Group of L. acuminata. 



1. L. ACUMINATA (Gould). PI. 7, fig. 41. 



"Shell small, slender, turreted, elongated, with an obtuse 

 apex, translucent, thin, very smooth and shining, of a green- 

 ish amber-color. Spire elevated, obtuse, pointed, of six 



