slightly margined above ; suture moderate, accompanied with a black 

 revolving band ; aperture subovate ; lip black, thickened within ; 

 columella short, brownish red, terminating abruptly in a strong plait 

 or tuberosity ; colour yellowish or umber, with or without transverse 

 brown lines. 



/ 9. ACHATINELLA CESTUS (PL XXII. fig. 8). A. testa solidd, ven- 

 tricosa, sinistrorsa vel dextrorsa, in apice acuminata ; anfracti- 

 bus 6, rotundis, superne marg'matis, penultimo tumido ; apertura 

 subovata; columella brevi, valde tuberculata ; labro subexpanso, 

 interne incrassato ; colore apicis nigro, anfr. secundi et tertii al- 

 bido, 3 reliquorum albo, subflavo, nigro vel diverso, cum cingulo 

 albo, suturas transiente et anfr. ventralem infra centrum divi- 

 dente, cum vel sine fascia latiori subjacente ; interdum maculis 

 vel tesseris albis et nigris out lineis undulantibus ad longitudinem 

 eorundem colorum ; columella castanea ; labro castaneo, albo in- 

 sperso. 



Long. ; Int. poll. 

 Hab. Palolo, Oahu. 



Shell solid, ventricose, sinistral or dextral, pointed at the summit ; 

 whorls 6, rounded, corded above, last one tumid ; aperture subovate ; 

 columella short, strongly tuberculate ; lip slightly expanded, thick- 

 ened within ; colour of tip black, second and third whorls white, three 

 last white, yellowish, or black or mixed, with a white cincture tra- 

 versing the sutures and cutting the body whorl below the centre, 

 with or without a broader band below, sometimes with blotches or 

 tesselations of black and white or longitudinal undulating lines of the 

 same colours ; columella chestnut ; lip same colour, interrupted with 

 white. 



A fine skull, approaching A. similans of Reeve, which it resembles 

 in form, but strikingly differs in markings. 



\/ 10. ACHATINELLA SWIFTII (PI. XXII. fig. 9, 90). A. testa ven- 

 tricosa, in apice acuminato, polita, nitente ; anfractibus 6, superne 

 subrotitndis, ultimo valde inflate, superne conspicue marginato ; 

 labro purpureo-roseo, crasso et subinflato ; apertura ovata ; colu- 

 mella brevi, in tuberculum ejusdem coloris ac labrum terminante ; 

 anfr. 3 primis albis, inferioribus cum numerosis lineis longitudi- 

 nalibus valde delicatis nigris et albis signatis, ut test<e colorem 

 cinereum impartiant ; lineis exiguis albidis obsoletis transverse 

 testam transientibus ; anfr. 2 ultimis linea suturali alba signatis. 

 Long. ;lat.!J poll. 

 Bab. District of Ewa. C*U 



Shell ventricose, pointed at the apex, smooth, polished, shining ; 

 whorls 6, slightly rounded above, the last strongly inflated, distinctly 

 margined above ; lip purplish rose, thick and slightly subreflected ; 

 aperture ovate ; columella short, terminating in a tubercle of the 

 colour of the lip ; three first whorls white, the lower with very fine 

 and numerous markings of black and white arranged longitudinally 

 to the shell, giving it a greyish aspect ; fine obsolete white lines tra- 



