120 PROCEEDINGS OF THE MALACOLOOICAL SOCIETY. 



Anfractus 5 J convexi, lente et regulariter accrescentes, sutura im- 

 pressa, ultimus ad peripheriam angulatixs, basi subconvexior. Apertura 

 paruin obliqua, transverse oblonga, valde lunata, extus subangulata. 

 Peristoma simplex, acutum, marginibus distantibus, columellari vix 

 angusteque expansiusculo. 



Diam. 3*5, alt. 2'5mm. 



Hah. — Olaa, Hawaii (D. Thaanum). 



Unlike the sharply keeled K. Konaensis, Sykes, of the same island. 

 It may perhaps be a Guppya, like the following. 



Kaliella lubricella, n.sp. PI, VII, Fig. 7. 



Differt a praecedente testa minore, supra hand sericeo-micante sed 

 utrinque nitidissima, perforatione magis conspioua etsi punctiformij 

 spira minus abrupte conica, striis supeme obsoletis, laevibus nee 

 capillaribus, anfractu ultimo paulo altiore, obtuse tantum angulato, 

 angulo prope aperturam evanescente, inde apertura ampliore minusque 

 angusta, anfractibus 5-5^. 



Diam. 32, alt. 2'5mm. 



Hab. — Olaa, Hawaii (Thaanum). 



ViTREA Hawaiiensis, u.sp. PI. VII, Figs. 8-8i. 



Differt a V. Molol-aiensi et a V. Lanaiensi, Sykes, testa magis 

 elevata, anfractibus altius convolutis et umbilico paulo minore ; 

 a V. pauxillo, Gould, cui peraifinis differt etiam testa minus depressa, 

 paulo convexiore, colore pallido luteo-virescente, umbilico profundiore, 

 circulari. 



Diam. maj. 4-33, min. 3*66, alt. 2-20 mm. 



Hab. — Olaa, Hawaii (Thaanum). 



AUEICXJLELLA MALLEATA, n.Sp. PI. VII, Fig. 12. 



Testa solida, perforata, oblongo-conoidea, nitens, opaca, alba, apice 

 plerumque rufulo vel fuscescente, interdum albo, sinistrorsa, lineis 

 incrementi laevibus sub lente subimpressa. Spira elongatula, convexo- 

 conoidea, apice minuto, obtusiusculo. Anfractus 6^-7, primi con- 

 vexiusculi, sequentes planulati, rugis nonnuUis elevatis antrorsum 

 descendentibus, more Limnsearum multarum, persaepe malleati. Aper- 

 tura subauriformis, supra angulata, infra effusa atque recedens, obliqua, 

 lamina parietali subtenui vel mediocri et plica columellari parum 

 prominente, subobtusa, aliquando indistincte duplicata armata. Peri- 

 stoma crassum, ad basin expansum, extus marginatum, marginibus 

 callo ad junctionem tuberculifero vel intumescente junctis, extero 

 planulato, medio antice subprovecto. 



Long. 9, diam. 4*25, alt. apert. (oblique) 4*5 mm. 



Hab. — In cacumine mentis Kaala (4000' s.m.), insulae Oahu (Eev. 

 Thwing). 



Related to A. obliqua, Anc, found on Oahu, but much more slender,, 

 malleated, and tinged with brown on the earlier whorls. 



