142 
34, AcHATINELLA vITREA (PI. XXIII. fig. 34). A. testa conico- 
ovata, tenui, nitida, pellucida; anfractibus 7, rotundis, supra, 
prope suturam, obscure marginatis; striis fortibus 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. 
Long. ao lat. s poll. 
Hab. Manoa, Oahu. 
Shell conically ovate, thin, shining, diaphanous ; whorls 7, rounded, 
indistinctly margined above, very near the suture ; striz 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 (Pl. XXIII. fig. 35). A. testa acute 
conica ; anfractibus 6, rotundis, non marginatis ; sutura bene im- 
pressa ; apertura ovata ; labro tenui; columella dente lamellari, 
albo, plicato munita ; colore albo, roseo vel rubro-flavo cum vestigiis 
epidermidis fusco-nigre ; anfractu ultimo superioribus pallidiore. 
Long. =3 lat. 4 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. 4. modesta, Adams, from Molokai, 4. mucronata, A. pu- 
poidea, A. Mastersi, A. assimilis and A. flavida. To the same group 
may be referred 4. rubens, Gould, A. decepta, Adams, and 4. nubi- 
losa, Mighels. 
36. ACHATINELLA acuTa (Pl. XXIII. fig. 36). A. testa acute tur- 
riformi, sinistrorsa ; anfractibus 7, ventricosis ; sutura profunda; 
columella plicata; apertura ovata; labro simplici; striis numerosis 
longitudinalibus et bene notatis; colore epidermidis fusco. 
Long. a lat. 8 poll. 
Hab. Lehui, Oahu. 
Shell acutely turreted, sinistral ; whorls 7, rounded ; suture deep ; 
strie 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 (Pl. XXIII. fig.37). A. testa detrorsa, 
nitida ; anfractibus 5, convexis, supra marginatis ; sutura bene 
