1. ACHATINELLA GouLDii (PL XXII. fig. 1). A. testa conico- 

 ovata ; anfractibus 6, piano- converts, ad longitudinem striatis, 

 supra marginatis ; sutura subdepressa ; apertura rotundata, ovata; 

 columella subcallosa ; labro expanse et inferne subreflexo ; colore 

 flavide-albo, in anfractu Ztio lineis fuscis, forma ziczac asperso, 

 3 anfr. inferioribus lineamentis variis plus minusve numerosis 

 cinctis ; apertura et labro flavescenti. 

 !?; lat.| 



Long.!?; lat.|poll. . 



Hab. Wailuku, Mani. 



Shell conically ovate ; whorls 6, flatly convex, margined above, but 

 slightly ; sutures slightly marked ; aperture ovate ; columella lightly 

 callous ; lip expanded and below subreflected ; colour yellowish white, 

 with zigzag lines of brown on the third whorl, and brown lineations 

 more or less numerous encircling the three lower whorls ; aperture 

 and lip yellowish. Found on Tutui trees. 



This rare and beautiful species I take pleasure in dedicating to 

 Dr. A. A. Gould of Boston, who is well known as one of the most 

 efficient and accurate natural historians in the United States. 



</ 2. ACHATINELLA OVATA (PL XXII. fig. 2, 20). A. testa dextrorsa 



vel sinistrorsa, elongato-ovata ; anfractibus 6, superne submargi- 



natis, rotundis ; sutura moderate impressa ; apertura subovata, 



margine nigro circumdata ; columella brevi, valde plicata, con- 



torta; labro incrassato et subexpanso ; test as, colore niveo vel flavo 



albido, cum vel sine vittis obsoletis subfuscis. 



Long. 15 ; lat. ^ poll. ^ . - K$. ^ 



Hab. Kahana, Koolan, Oahu. 



Shell dextral or sinistral, elongately ovate ; whorls 6, slightly mar- 

 gined above, rounded ; suture moderately impressed ; aperture sub- 

 ovate, entirely margined with black ; columella short, plicate, strong 

 and twisted ; lip thickened and slightly expanded ; colour of shell 

 pure white or yellowish white, with or without obsolete brownish 

 bands above. 



A very beautiful species, distinguished by its glossy black lip con- 

 trasting finely with the white of the shell. 



3. ACHATINELLA RUFA (PL XXII. fig. 3). A. testa conico-ovata, 

 solida; anfractibus 6, piano- convexis, cum striis decussatis ; colu- 

 mella fortiter callosa ; sutura simplici, subimpressa ; umbilico 

 exiguo aperto ; labro expanso, inferne subreflexo; colore fundi 

 fusco rubro, epidermate efusco et albo mixto obtecto, albo in an- 

 fractibus mediis lineis exiguis ad formam ziczac qua in anfr. ul- 

 timo in uniusmodi umbrce colorem fusco-cinereum evanescunt, dis- 

 posito. Inferiori ultimi anfr. dimidio zona lata alba cincto. 



Long. | ; lat. 1J poll. ^ . , / ^ 4> r , ^ ^"/^ " ^ 



Hab. Molokai. 



Shell conically ovate, solid ; 6 whorls, flatly convex, with decus- 

 sating striae ; columella strongly callous ; suture plain, moderately 

 impressed ; umbilicus small and open ; lip expanded, and subreflected 



