132 NEW-YORK FAUNA MOLLUSCA. 



BuCCINUM WHEATLEYI. 



PLATE VII. FIG. 162 MjQNIFIED. 



(STATE COLLECTION.) 



Description. Shell minute, small, ovate-subcylindrical. Wliorls si.x, nearly flat, or at most 

 very slightly covex, with a small and distinct suture : surface smooth, with no revolving lines. 

 Aperture narrow, sublinear, with a small notch above and a short canal beneath. Body-whorl, 

 on its lower portion near the canal, has from eight to ten minute impressed revolving striae, 

 becoming more distant above. Lip simple, thin, with a ridge of minute teeth within its inner 

 edge, which are entirely wanting in the young. Callus on the columella elevated, not much 

 reflected. 



Color. Light horn, with numerous undulated vertical reddish dilated lines. 



Length, 0*23; of aperture, O-l. 



These shells were dredged by Mr. Charles M. Wheatley, from the harbor of New-York, in 

 five fathom water, opposite Staten island. It is closely allied to B. lunatum, but appears 

 to differ by the absence of the subsutural revolving line, and the revolving colored lines : tlie 

 revolving lines at the base are more numerous and distinct. 



BUCCINUM TRIVITTATUM. 



PLATE VIII. FIG. 165. 



(STATE COLLECTION.) 



Nassa Irivillala. Say, Jour. Acad. Nat. Sciences, Vol.2, p. 321. 



Buccinum id, Russel, Essex Jour. Nat. Hist. Vol. 1, p. 68, 



B. id. Adams, Boston Joum. Nat. Hist. Vol. 2, p. 265. 



B. id, GotJLD, Invertebiata of Mass. p. 309, fig. 211. 



Description. Shell robust, ovate-conic : spire elevated, acute, longer than the body-whorl. 

 Whorls six or seven, flattened : surface granulated by prominent vertical lines, and about ten 

 revolving impressed lines. Suture impressed, with a prominent siioulder on the whorl near 

 it. Aperture oval, with a notch above, and a slightly reflected process or beak beneath, sepa- 

 rated from the body by a groove which forms a notch beneath : lip sharp, scolloped with the 

 revolving lines ; pillar-lip with a slight fold beneath. Opercle subtriangular, dentate around 

 the margin. 



Color. Whitish or reddish white and yellowish, with three or more revolving brown or 

 reddish bands. 



Length, 0-5; of aperture, 0*2. 



The colored revolving lines, in the specimens on our coast, are not of common occurrence. 

 They are occasionally larger than the dimensions stated above. I have seen them, in the 

 collection of Dr. Stillman, 0-8 long. The young have the body-whorl much dilated, and the 



