35 



dice evaso ; plica columellari alba, compressa, fere transversa, 

 valde exstante. Long. £, lat. £ poll. Hab. Haleakala Moun- 

 tains, Maui, Sandwich Islands. 



A large ventricose species, readily distinguished by its varie- 

 gated coloring. 



Achatinella ellipsoidea. Testa solida, ellipsoidea, Isevis, 

 epidermide luteo interdum fusco zonato induta : spira anfr. 6, 

 convexiusculis ; sutura impressa : apertura parva, angusta ; 

 peristomate acuto, nigro; plica columellari fere transversa, tenui. 

 Lat. 2^, alt. y^ poll. Hab. Maui. 



Closely allied to A. microstoma, which has a thickened lip, 

 and a more dead, striated surface. 



Achatinella acuminata. Testa parva, elongata, turrita, lu- 

 cida, glaberrima, nitida, succinea ; spira elevata, anfr. 6 obliquis, 

 convexiusculis, ultimo trientes duo longitudinis equante : aper- 

 tura angusta, sub-elliptica, peristomate albido, incrassato, prorsum 

 arcuato ; columella truncata, sed vix plicata. Long. ^§, lat. £ 

 poll. Hab. Kauai, Sandwich Islands. 



More elongated, and with more oblique whorls than other spe- 

 cies. In its form, color and clearness, it may be compared with 

 Physa hypnorum. 



The clear, delicate species like this, with the mere semblance 

 of a columellar fold, may properly constitute a distinct group, to 

 which the name Leptachatina (lenTog and Achatina) might be 

 given. 



Achatinella cerealis. Testa parva, elongata, cylindraceo- 

 conica, impolita, cinereo-castanea : spira obtusa, anfr. 7-8 planu- 

 latis, ultimo trientem longitudinis vix superante : apertura parva, 

 lunata, quadrantem longitudinis adequans ; peristomate simplici, 

 intus incrassato ; plica columellaii obsoleta, anfractu penultimo 

 callo induto. Long, f, lat. £ poll. Hab. Waianai, Oahu. 



In size, form and color it resembles Bulimus hordeaceas, but 

 it is still more slender. 



Achatinella guttula. Testa parva, tenuis, lucida, rotunda- 

 to-ovata, succinea, interdum castaneo zonata : spira obtusa, 

 anfr. 6 convexiusculis ; ultimo tumido, dimidiam longitudinis 

 superante. Apertura parva, lunata; peristomate albo, incrassato, 



