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AMERICAN JOURNAL 



longitutlinalibus subprominentis, interstitiis concavo-sulcatia ; 

 transversim tenui striata ; anfr. ad suturas marmnatis, ultimo ad 

 asim transversim sulcato ; apertura angusta, vix flexuosa ; om- 

 nino pallide rosacea aut alba. 



Dimensions. — Long. 4, diam. 1J mill. 



Hab. — Paumotus. 



Shell slender, elongately fusiform, shining; longitudinal ribs 

 rather prominent, interstices concavely grooved ; transversely 

 finely striate ; whorls marginate at sutures, last whorl trans- 

 versely grooved at base ; aperture very narrow, slightly flexuous ; 

 wholly of a pale flesh color or white. 



Tectura Tahitensis, Pease.— Plate 11, fig. 21. 



Description. — T. ovata, tenuiscula, subpellucida, elevata ; ra- 

 diatim costata, costis parvis, irregularis, vix nodulatis, concen- 

 trice tenui striata ; apice antico ; cinerea vel lutescente, strigis 

 angulatis rufescente radiatim venosa, intus coeruleseente, irides- 

 cente. 



Hab — Tahiti. 



Shell ovate, rather thin, light, subpellucid, somewhat elevated ; 

 apex anterior ; radiately ribbed, ribs small, irregular, somewhat 

 nodulous and rough, concentrically finely and closely striate ; 

 cinereous or yellowish, veined with radiating, sharply angular, 

 reddish streaks or lines, interior bluish iridescent. 



Remarks. — A rare species ; allied to P. sagittata, Gld. 

 Tectura conoldalis, Pease. — Plate 11, fig. 22. 



Description. — T. solida, ovata, conica, valde elevata, radiatim 

 costata, costis parvis, irregularis ; striis concentricis crenulatis, 

 apice centrali, acuto ; apertura integra ; albescens aut flavescente 

 alba, nucleo opaco-albo. 



Hab. — Insl. Roratonga. 



Shell solid, thick, ovate, conical, highly elevated, radiately 

 ribbed, ribs small, irregular, crenulated with concentric striaB ; 

 apex central, acute ; edge of aperture entire ; whitish or yellowish 

 white, interior saffron yellow, nucleus opake white. 



Remarks. — Quite distinct from any species heretofore des- 

 cribed from Polynesia. 



Siphonaria depressa, Pease. — Plate 11, fig. 23. (Proc. Zool. 

 Soc. London, 1862.) 



Description. — T. ovata vel oblongo-ovata, depressa, tenuiscula, 



