GENUSBUCCINUM. 59 



69. BUCCINUM BRASIL.IANUM, LAM. The BrazU Buccinum. 



(Collect. MASS. LAM.) WOOD, Catal. suppl., pi. 4. fij 



PI. XVII, fig. 59. 



B, testa ovato-oblonga, crassiuscula, Isevissima, alba" ; anfractibus con- 

 vexo-planis, connatis ; labri limbo striato. 



Shell ovate, oblong, thick and smooth ; the external surface 

 is entirely white or ash colored, polished, covered with a thick 

 reddish brown epidermis. Spire composed of six or seven 

 slightly elongated whirls, somewhat convex, and united by a 

 very fine, regular, linear suture. Aperture ovate, terminated 

 at the base by a shallow emargination. Right lip simple, 

 sharp-edged, expanded, furnished with fine transverse striae in- 

 ternally : left lip smooth, arcuated lengthwise, and partially 

 covering the columella. 



Length 8 lines. Width 4| lines. 

 Inhabits the coasts of Brazil in the Bay of Rio Janeiro. 



This species is remarkable for its dilated aperture, and for the 

 reflection of its right lip, which gives it some affinity to the 

 genus PLANAXIS. Wood, in his catalogue, has called it BUCCI- 

 NUM IcBvigatum. 



: 



70. BUCCINUM GAYII, NOBJS. Gay's Buccinum. 

 (Collect. MASS. 



PI. XXI, fig. 79. 



B. testa parva, elongata, conica, crassa, rufescente ; anfractibus con- 

 vexiusculis, distinctis, longitudinaliter tuberculose plicatis, transversim 

 tenuissime striatis ; apertura subrotundala, albescente ; labro dextro intus 

 striato ; columella laevi, arcuata. 



Shell small, elongated, conical, pretty thick, formed of six 

 distinct, slightly convex whirls. The surface of the upper 

 whirls appears to be shagreened by very small tubercles, form- 



