16 



* 34. ACHATINELLA VITREA (PL XXIII. fig. 34). A. testa conico- 

 ovata, tenui, nitida, pellucida; anfractibus 7, rotundis supra 

 prope suturam obscure marginatis ; striis forlibus prope suturam, 

 distinctis in testa; apertura elongata subovata; labro simplici, 

 interne subincrassato, infra contracto ; columella brevissima in 

 plicam contortam terminante ; colore corneo speciem luteam vel 

 roseam accipiente ; sutura vitta lata nigra signata. 



^ng- si!*- is P U - 



Hob. Manoa, Oahu. 



Shell conically ovate, thin, shining, diaphanous ; whorls 7, rounded, 

 indistinctly margined above, very near the suture ; striae strong near 

 the suture, distinct over the shell ; aperture elongately subovate ; lip 

 simple, slightly thickened within, contracted below ; columella very 

 short, terminating in a twisted plait; colour corneous, with a yellowish 

 or pinkish tinge ; suture marked by a broad black band. 



This is an extremely beautiful species. Its locality is near the sum- 

 mit of the mountain ridge dividing Manoa from Palolo valley. 



35. ACHATINELLA AFFINIS (PI. XXIII. fig. 35). A. testa acute 

 conica ; anfractibus 6, rotundis non marginatis ; sutura bene im- 

 pressa ; apertura ovata ; labro tenui ; columella cum dente lamel- 

 lari albo plicato ; colore albo, roseo vel rubro-flavo cum vestigiis 

 epidermatis fusco-nigra ; ultimo anfractu superioribus pallidiore. 



Long. g ; lat.g poll. 



Hab. Kula, E. Mani. 



Shell acutely conical; whorls 6, rounded, not margined; suture well 

 impressed ; aperture ovate ; lip thin ; columella with a white lamellar 

 twisted tooth ; colour white, roseate or salmon, with traces of a dark 

 brown epidermis ; last whorl lighter-coloured than the upper ones. 



This species belongs to a group of which the following are asso- 

 ciated, viz. A. modesta, Adams, from Molokai, A. mucronata, A. pu- 

 poidea, A. Mastersi, A. assimilis and A.flamda. To the same group 

 may be referred A. rubens, Gould, A. decepta, Adams, and A. nubi- 



losa y Mighels. 



P 



36. ACHATINELLA ACUTA ( P1 _ VVT TT fl^ f * fi ) A. testa acute 

 turriformi, sinistrorsa ; anfractibus 7, ventricosis ; sutura pro- 



funda; columella plicata ; apertura ovata ; labro simplici ; striis 

 numerosis longitudinalibus et bene notatis ; colore cuticulte fusco. 



-~ ~ *- *< 4. w - 



Long. ; lat. poll. **3Z-~ ;K~. **- *<}. 4 r . 



Hab. Lehui, Oahu. 



Shell acutely turreted, sinistral ; whorls 7, rounded ; suture deep ; 

 striae numerous, longitudinal and well defined ; aperture ovate ; lip 

 simple ; columella plicate ; colour of epidermis brown. 



But a solitary specimen of this shell has been found ; but its cha- 

 racters are clearly marked, and no described species resembles it in 

 form. 



37. ACHATINELLA POLITA (PI. XXIII. fig. 37). A.testadextrorsa, 

 nitida; anfractibus 5, convexis, supra marginatis; sutura bene 



"$ ( ( fv^ft 



