li, 



mis valde ventricosis ; apertura ovata ; labro simplici, interne 

 leviter incrassato ; columella brevi in callum abrupt? terminante ; 

 sutura leviter impressa ; colore luteo vel castaneo ; tequo vel cum 

 fascia suturali nigra ; rare duabus vel pluribus anfr., 2 ultimis 

 impositis ; columella albida vel subfusca. 

 Long. i2 ; lat.l poll. 

 Hab. Waialua, Oahu. 



Shell conical, sinistral, polished ; whorls 5, rounded, margined 

 above, the last very ventricose ; aperture ovate ; lip simple, slightly 

 thickened within ; columella short, with an abrupt callous termina- 

 tion ; suture but slightly impressed ; colour yellow or chestnut, plain 

 or with a black sutural band, rarely with two or more on the last two 

 whorls ; columella white or light brown. 



The rounded whorls and obese appearance of this shell are strikingly 

 characteristic. It is a rare species and extremely limited hi its range. 



44. ACHATINELLA FUSCA (PI. XXIII. fig. 44). A. testa tenui, 

 cylindrice elongata ; anfractibus 5 , fere planis ; sutura lineari,sub~ 

 impressa ; apertura ovata ; striis longitudinalibus bene expressis ; 

 colore fusco ; sutura infra marginem inferior em fasciola coloris 

 cornel circumcincta ; inferiori anfr. ultimi dimidio ejusdem co- 



loris ' , ,. /, ., J&,Jff,Vf,2> 



Long.A;lat.|poll. >J >" 



Hab. Manoa, Oahu. 



Shell thin, cylindrically elongate ; whorls 5, nearly flat ; suture 

 linear, slightly impressed ; aperture ovate ; lip acute ; columella den- 

 tated within ; longitudinal striae strongly developed ; colour brown, 

 with a narrow horn-coloured band revolving below each suture ; lower 

 half of the last whorl horn-coloured. 



This small species is not arboreal in its habits, and is found among 

 the decaying leaves of the Tutui, near the base of the mountain at the 

 head of Manoa valley. 



/ 45. ACHATINELLA RECTA (PI. XXIII. fig.45). A.testaplerumque 

 dextrorsa, solida, pyramidali ; anfractibus 6, subrotundis, superne 

 marginatis ; sutura leviter impressa; apertura subovata ; labro 

 simplici, interne incrassato ; columella brevi, torta et coalescente 

 cum labro interiori ; colore vario, plerumque flavo, cequo vel 2 

 vittis nigris in anfr. ultimo ornato, quorum alter a in apertura de- 

 currente, altera suturam appropinquante. 



Long. ;Ui. poll. 



Hab. Waialua, Oahu. 



Shell usually dextral, solid, pyramidal; whorls 6, but slightly 

 rounded, margined above ; suture slightly impressed ; aperture sub- 

 ovate ; lip simple, thickened within ; columella short, twisting to 

 unite with the inner lip ; colour various, usually yellow, plain, or 

 with two black bands on the last whorl, one of which is lost in the 

 aperture, the other becomes sutural. 



The shell above described is peculiar for its solidity and rigid 

 aspect. It possesses none of the graceful curves which give to this 



B 2 



