^ 6. AcHATINELLA REDFIELDI (PL XXII. fig. 5). A. testa elon- 



yata conica, sinistrorsa; anfractibus 6, supra marginatis, ad longi- 

 tudinem striatis; sutura bene impressa; apertura subovata ; colu- 

 mella fusca,plano-contorta; labro subreflexo, ejusdem, ac columella, 

 colons; colore albido-flavo, infra in castaneum fuscum transiente, 

 simplici, vel fasciis fuscis, obscure undulatis in tertio solum an- 

 fractu, varie striato ; fascia alba suturas permeante. 

 Long. | ; lat. poll. . Vna , ;. ty I r . &&t T& ** 



Hab. Molokai and E. Mani. 



Shell conically elongate, sinistral ; whorls 6, margined above, 

 striated longitudinally ; suture well impressed ; aperture subovate ; 

 columella brown, flat and twisted ; lip subreflected, of the colour of 

 the columella ; colour of shell light fawn passing into deep chestnut, 

 paler above, plain or variously marked with brown bands, and obscure 

 undulations on the third whorl only ; a white band traverses the su- 

 tures. 



This species belongs to the native group of " Pupu Caniohi," or 

 singing snails, and it is with pleasure that we dedicate it to J. H. 

 Redfield, Esq., of New York. It is not an abundant species. Found 

 on Tutui, Ohia and Ti trees. 



7. ACHATINELLA NIVOSA (PI. XXII. fig. 6). A.testadextrorsa, 

 conica; anfractibus 6, rotundis supra marginatis ; apertura sub- 

 ovata ; columella brevi infra in plicam flexuosam contorta ; labro 

 simplici ; apice obtuso ; colore supra subfusco, infra albo, striis 

 interrupts longitudinalibus viridibus vel subfuscis pulchre ornato, 

 cum vel sine una vel pluribus vittis transversis rubris vel fuscis ; 

 columella rosea vel albida. 

 Long. ^ ; lat. ^ poll. 

 Hab. Niu, Oahu. 



Shell dextral, conical ; whorls 6, rounded, margined above ; suture 

 moderate ; aperture subovate ; columella short, twisted into a flexuous 

 plait inferiorly ; lip simple ; apex of shell obtuse ; colour above brown- 

 ish, below pure white, ornamented with beautiful longitudinal green 

 or brownish interrupted stripes, with or without one or more pink- 

 coloured or brown transverse bands ; columella pink or white. 



This beautiful species belongs to the same group with A. abbreviata 

 and A. bacca. 



v 8. ACHATINELLA MELANOSTOMA (PI. XXII. fig. 7). A. testa 

 dextrorsa t solida, polita, conica ; anfractibus 6, plano-convexis, 

 supra submarginatis ; sutura moderate impressa, cum vitta nigra 

 revolvente associata ; apertura subovata ; labro nigro, interne in- 

 crassato ; columella brevi, ferruginea, abrupte in plicam vel tube- 

 rositatem fortem terminante ; colore flavo vel umbroso, cum vel 

 sine lineis transversis fuscis. 



Long. 11; lat. 1 poll. 



Hab. Ewa, Oahu. 



Shell dextral, polished, solid, conical ; whorls 6, plano-convex, 



