144 Descriptions of New Species of Achatinella. ' 



neo; labro externo et coluinellari externe albo vel flavido evanide 

 margin atis. 



Long. i£ ; lat. ^ poll. 



Habitat. — Molokai, or the rocky sides of a Pali or precipice. 



Shell dextral, acutely conical, longitudinally coarsely striate; 

 whorls 6, rounded, sometimes the last one inflated ; suture simple, 

 well impressed ; aperture roundly ovate ; lip acute, slightly thick- 

 ened within ; columella rather long, with a sub-central revolv- 

 ing plait ; often with an umbilicus ; color dark corneous, outer 

 and columellar lips margined externally with white or yellowish 

 white. 



4. Achatinella fusoidea. 



A. testa sinistrorsa, sub-solida, elongate producta, ; anfr. 6-7, vix rotun- 

 datis (ultimo excepto), superne marginatis ; sutura impressa ; apertura 

 rotundo-ovata, parva; columella brevissima, robusta, plicata, ; labro 

 superne simplici, inferoe sub-expanso ; colore stramineo. 



Long, if ; lat. |A poll. 



Habitat. — E. Maui. 



Shell sinistral, rather solid, elongately produced ; whorls 6-7, 

 scarcely rounded (excepting the last), margined above ; suture 

 well impressed ; aperture roundly ovate, small ; columella very 

 short, robust and twisted ; lip simple above, slightly expanded 

 below, color straw yellow. 



5. Achatinella pusilla. 



A. testa, dextrorsa,, conico-ovata, apice acuto ; anf. 6, plano-convexis ; 

 sutura supra leviter sub-irapressa, infra per-impressa, ; labro simplici ; 

 columella brevi, plica contorta, instructa ; epidermide sub-fusca ; ssepe 

 vittis albis angustis circumcincta. 



Long. ^£ ; lat. ^ 6 poll. var. major, 

 j 2o J >) 20 i> minor. 



