Description of New Species of the Genus Cyproea Linn. 255 



mellari mediana, valida, rosea, ititerdum alba ; apertura obliqna, truncato- 

 auriformi, intus alba ; perist. acuto, intus incrassato ; margine externo 

 recto, arcuato ; columellari dilatato, adnato ; parietali nullo. 



Shell sinistral, imperforate, ovate-conic, solid, shining, striate, 

 green or yellowish; apex subacute, yellowish white; spire con- 

 vexly conic ; suture margined, chestnut, moderately impressed; 

 whorls 6, convex ; columellar fold central, strong, rose or some- 

 times white ; aperture oblique, truncately auriform, white 

 within ; peristome acute, thickened within ; with dextral mar- 

 gin unreflected, arcuate ; columellar margin dilated, adnate ; 

 parietal margin wanting. 



Length 0.75 inch (19 millim.); breadth 0.40 inch (10 millim.). 



Length of body whorl 0.50 inch (13 millim.). 



Average weight 5.20 grains. 



Station. — On the Lama, Hao, Ohia {Eugenia Malaccensis), 

 and Kukui (Aleurites triloba). 



Habitat. — Halawa and Kuuanu, Oahu. J. T. G. ! 



Remarks. — This species completes the gradation between A. 

 Stewarti Green and A. colorata Reeve. 



XXX. — Description of a New Species of the Genus Cyprjea 



Linn. 



By Theo. Gill. 



Communicated by T. Bland. Read February 8th, 1858. 



Cyprsea notata, Gill. 



Plate IX. Fig. 1-3. 



Cyprcea testa oblongo-ovata, la3vi, polita, dorso elevato ; margine 

 externo incrassato, angulato ; interno subrotundo ; basi planulata, ; aper- 



