GENUSBUCCINUM. 97 



longitudinal folds and very approximate transverse striae, which 

 form flattened granulations ; the lowest of these whirls is very 

 large. Aperture ovate, emarginated at the upper part, at its 

 union with the right lip, which is rather thin, and striated 

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

 is enlarged into a whitish, wide, and thick callosity, upon the 

 body of the lowest whirl. The color of this shell is of a 

 reddish brown, with one or two transverse bands upon the 

 middle of the lowest whirl. 



Length 7 lines. Width 5 lines. 



Inhabits the China Seas, the coasts of New Ireland, and of 

 Vanikoro. 



This little shell has been described by Quoy and Gaimard, 

 and figured in their Voyage de V Astrolabe, pi. 32, fig. 25 and 

 26, under the name of BUCCINUM globulosum. Having already 

 a BUCCINUM thus named, we have given to this the name of 

 dathratum. Some specimens of this little shell are larger and 

 more elongated ; the gibbosity, nevertheless, exists, and the 

 callosity is reddish, edged with a chestnut-epkyred band. 



. 100. BUCCINUM GIBBOSULUM, LINN., GMEL. The Gibbous 

 SHYM*4j Buccinum. fi 4 f 



(Collect. MASS. LAM.) LIST., Conch., t. 973, fig. 28. 



PI. xxvm, %. He. <* 



B. test^L ovata, crassa, dorso gibba, Isevi, cinereft autolivace& ; spira brevi, 

 acuta ; marginibus oppositis anterius usque ad spiram decurrentibus. 



Shell thick, smooth, ovate, somewhat gibbous upon the 

 back of the lowest whirl, flattened and widened upon the 

 sides ; spire short, acute, formed of five or six whirls ; 

 aperture ovate, smooth and white ; the interior of the cavity 

 brown ; right lip margined without, smooth within, joining 

 towards the top a large polished callosity, by which the colu- 

 mella and inferior surface of the whirls are entirely covered. 

 Buccinum. G 



