20 



genus so much of its beauty. The largest size yet discovered is given 

 in the measurement. 



/ 46. ACHATINELLA GHANA (PI. XXIII. fig. 46). A. testa elongattt 

 conica, cornea; anfractibus 6, ventricosis, submarginatis ; aper- 

 tura oblonga ovata ; labro subincrassato ; sutura valde impressa ; 

 columella plica albida in apertura profunde immersa munita. 

 Long. I; ; lat. 1 poll. Ai^ , ^J , &j , *&*&* ^ , * ?, - ' 

 Hob. Mani. 



Shell elongately conic, corneous ; whorls 6, rounded, faintly mar- 

 gined ; aperture ohlong-ovate ; lip slightly thickened, white ; colu- 

 mella with a white plait deep in the aperture. 



47. ACHATINELLA PORCELLANA (PL XXIII. fig. 47). A. testa 

 solidiori, conica, polita, fulgente ; anfractibus 5, rotundis, superne 

 marginatis ; apertura ovata ; labro expanso, tenui in margine, in- 

 terne incrassato ; columella brevi, tuberculari ; colors alboris por- 

 cellanei, cum vitta flavo-fusca pallida anfractum singulum circum 

 ambiente, quarum bin& in anfr. ultimo. 



Long.^; lat. | poll. 



Hob. E. Mani. 



Shell rather solid, conical, polished, shining ; whorls 5, rounded, 

 margined above ; aperture ovate ; lip expanded, thin at the margin, 

 thickened within ; columella short, tubercular ; colour of a porcelain 

 whiteness, with a light fawn-coloured band encircling each whorl, the 

 last whorl having two. 



48. ACHATINELLA VENULATA (PL XXIII. fig. 48, 48 a). A. testa 

 dextrorsa, elongato-conica ; anfractibus 7, convexis, submarginatis 

 superne ; sutura bene impressa ; apertura subovata ; labro sim- 

 plici, interne adaucto ; columella fortiter plicata, contorta, color e 

 subroseo-suffuso ; colore albido vel albido-roseo cum venis longi- 

 tudinalibus viridibus vel oleastrensibus, ex epidermateformatis. 



Long. g; lat. S poll. 



Hab. Kolau, Oahu. 



Shell dextral, elongately conic ; whorls 7, convex, slightly margined 

 above ; suture well-impressed ; aperture subovate ; lip simple, thick- 

 ened within ; columella strongly plicate, twisted, of a pinkish hue ; 

 colour of shell white, or pinkish white, with longitudinal veins of 

 green or olive-green epidermal matter. 



Var. a. Sinistral, with a deep black sutural band. 



y 49. ACHATINELLA MUCRONATA (PL XXIII. fig. 49). A. testa 

 elongata ovata; anfractibus 6, ventricosis ; sutura superne sub- 

 impressa, profunda in junctura anfr. ultimi; apertura parva, 

 ovata; labro simplici; columella contorta, plicata ; anfractu ultimo 

 contracto et cuticula densa fusco-nigra tecto ; testa reliqua alba, 

 signis mucronatis numerosis fuscis ornata. 



Long. ; lat. poll. ^ ^ J . ^ 7/ rf^T ~VT 



Hab. Mani. j(* 



