iO AMEEICAN JOURNAL 



Long. 28, Diam. 8 mill. 

 JTab. — Insl. Paumotu. 



Shell oblong, cylindrical, last whorl slightly ventricose, 

 spirally striate ; whorls on their upper half nodosely ribbed 

 longtitudinally, ribs becoming obsolete on last whorl ; aperture 

 rather large ; canal oblique and recurved ; outer lip somewhat 

 expanded, fluted ; white, apex yellowish. 



liemarks. — The above is intermediate between C. columna, 

 Sowb., and salebrosum, Sowb. It may be distinguished by the 

 ribs not passing over the whole length of the whorls, and gene- 

 rally absent altogether on the last whorl, except immediately at 

 the suture. 



LiTTORiNA CINEREA, Pease. Plate viii, fig. 14. 



T. subglobosa ; spira acuta, parva ; anfr. supra acute angula- 

 tis, transversim granoso-liratis, aut Isevibus, interstitiis striis 

 elevatis cingulatis ; columella excavata ; cinerea, apice nigres- 

 cente ; columella, aperturaque pallide fuscis. 



Alt. 7. Diam. 6| mill. 



Ifab. Insl. Marquesas. 



yiiell subglobose ; spire small, acute; whorls sharply angulate 

 above, transversely granosely ridged or smooth, interstices en- 

 circled with raised stride ; columella rather broadly excavated ; 

 cinereous or whitish, apex blackish, columella and aperture pale . 

 brown. 



Remarhs. — This species resembles, in some of its characters, 

 Feejeensis, Rve., and also granulans, Gray. 



Narica granifera. Pease. Plate viii, fig. 13. 



T. ventricoso-ovata, crassiuscula, alba, transversim granoso- 

 lirata, interstitiis tenuissime striatis ; spira parva, vix exserta ; 

 apertura dilatata, ovato-rotundata ; umbilica patulo, canali longi- 

 tudinaliter sulcato et striato, angulo Isevis aut sublacerato. 



Alt. 9. Diam. ^ mill. 



Hah. Insl. Jarvis. 



Shell ventricosely ovate, rather thick, white, transversely 

 granosely ridged, interstices very finely striate ; spire small, 

 slightly exserted ; aperture dilated, ovately rounded ; umbilicus 

 open, canal longitudinally grooved and striate, at the angle on 

 its edge smooth or slightly ragged. 



Remarhs. — The above was classed by the late Mr. Cuming as 

 a var. of N. acuta, Reel. It agrees with that species, however, 

 only in shape. It is thicker, generally smaller, and granose. 



