212 Descriptions of New Species of Achatinella. 



sinuously oval ; peristome thickened within, reflected anteriorly ; 

 with columellar margin dilated, white, unattached ; parietal 

 margin wanting. 



Length 1.00 inch (25§ mill.) ; breadth 0.57 inch (1U mill.). 



Length of aperture 0.52 inch (13} mill.). 



"Weight 10.00 grains. 



Station. — On the IVIamaki ( JJrtica grandis ?). S. T. Alex. ! 

 Habitat.— Beautiful Yalley, Maui. S. T. Alex. ! 



Remarks. — This species is more ventricose than A. perdix 

 Reeve, and differs in having the whorls more convex, the suture 

 simple, the aperture more oblique, and the sculpturing more 

 distinct. 



I have received but two specimens, for which I am indebted 

 to the brothers James and Samuel Alexander. 



38. Achatinella talpina. 



Plate VII. Fig. 38. 



T. dextrorsa, subperforata, clongata, ovato-coniea, tenuiuscula, sub- 

 cornea, baud nitida, striatula, sub lente vix decussatula, fusca, fascia 1, 

 albida ad basin cincta, epidermide tenui fusco-cinerea, velutina induta 

 apice obtusiuscula, albido ct eastanco tcssellata; spira regulariter conica 

 sutura simplici, modice impressa ; anfr. fere V, convexis ; ultimo regu 

 lariter rotundato, t °o 2 o _ tVo longitudinis aequante ; plica, columellari 

 supera, validii ; apertura semiorbiculari, intus fusco-albida ; perist. intus 

 incrassato, antice vix reflexo ; margine columellari dilatato, albo, patente ; 

 parietali nullo. 



Shell dextral, slightly perforate, elongate, ovate-conic, rather 

 thin, subcorneous, not shining, finely striated, beneath the lens 

 scarcely decussated, brown with a whitish band encircling the 

 base, covered with a thin brown ash velvety epidermis ; apex 



