12 Descriptions of New Species of Achatinella. 



19. Achatinella liiieolata. 



Testa dextrorsa, elongata, turriformi, nitida, epidermide luteola ; anfrac- 

 tibus sex, ventricosis, ultimo lineolis longitudinalibus zic-zac brevibus 

 castaneo-fuscis conferte signato ; sutura simplici ; apertura ovata ; colu- 

 mella dente obliquo, plicato instructa. 



Shell dextral, elongate-turreted, shining, covered with a 

 yellowish epidermis ; whorls six, ventricose, last one thickly 

 marked with longitudinal umber-colored zig-zag lines ; suture 

 simple ; aperture ovate ; columella with an oblique, plaited 

 tooth. 



Length 0.5 inch. Breadth 0.22 inch. 



Habitat. Maui. 



20. Achatinella nitida. 



Testa dextrorsa, ovato-comca, tenui, pellucida, nitida subcornea ; fas- 

 ciola rufa lineari suturali obscure circumdata ; anfractibus sex, ventricosis ; 

 sutura marginata ; apertura ovata ; columella in pliculam contortam, 

 albidam desinente ; labio tenui. 



Shell dextral, ovately conical, thin, pellucid, shining, light 

 corneous, with a faint linear band of red beneath the suture ; 

 whorls six, ventricose ; suture margined ; aperture ovate ; 

 columella terminating in a twisted oblique white plait ; lip thin. 



Length 0.4 inch. Breadth 0.11 inch. 



Habitat. E. Maui. 



21. Achatinella grana. 



Test dextrorsa, ovato-comca, solida, cornea; anfractibus sex, sub- 

 marginatis ; apertura ovata ; columella dente plicata albida instructa ; 

 labio subincrassato, albo ; labio interior! expanso et arete appresso. 



