GENUS B U C C I N U M . 



95. BUCCINUM PUL.L.US, LINN , GMEL, The Russet Buccinum. 



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(Collect. MASS. LAM.) GUALTIERI, Test., pi. 44, fig. R. 



PL XXVIII, fig. 114. 



B. testa ovato-acuta, ventricosa, plicis longitudinalibus tenuibus striisque 

 transversis decussata, cinereo-ccerulescente ; anfractibussuperne angulatis; 

 apertura subrotundata ; labro intus striato. 



Shell ovate, ventricose ; spire pointed, composed of six or 

 seven whirls slightly angular at their upper part, loaded with 

 very convex longitudinal folds near the suture ; these folds 

 are less prominent, and more flattened upon the right lip of 

 the lowest whirl. It is intersected by numerous transverse 

 striae ; the upper extremity of the fold is sometimes separated 

 by a stria which divides them superficially. Aperture ovate, 

 white, terminated above by an emargination of the right lip, 

 and by a transverse ridge of the left lip. Right lip thin, 

 slightly denticulated at the base, furnished with numerous 

 striae internally ; columella arcuated, covered by the left lip, 

 which conceals, by its expansion, a part of the body of the 

 shell, and forms a large, white, and polished callosity. The 

 color of this shell is whitish, ash or bluish, sometimes without 

 spots or bands, at other times with two or three deeper bands 

 which surround the whirls. 



Length 1 inch. Width 8 lines. 

 Inhabits the Indian Ocean. 



I think this shell is a variety of the BUCCINUM arcularia* 

 Gualtieri has already made this union with reason, because it 

 does not differ enough from the last to be a different species. 

 The folds and the striae cannot be considered as constant char- 

 acters, and belong generally to young specimens ; and this BUC- 

 CINUM differs only from the one we have just described, in the 

 whirls being much less flattened. 



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