PSEUDOSTROMBUS. 113 



Species of Bullia. 



annulata, Lam. Mauritiana, Gray. 



callosa, Wood. rhodostoma, Gray. 



deformis, King. semiflammea, Reeve. 



digitalis, Meusch. semiusta, Reeve. 



globulosa, Kien. semiplicata, Gray. 



Grayi, Reeve. squalida, King. 



Ijmnreana, A. Adams. sulcata, Reeve. 



laevigata, Mart. tenuis, Gray. 



Sub-gen. buccianops, D'Orbigny. 



Shell with the whorls somewhat angulated, and with a rounded 

 or nodulous band next the sutures. 



armata, Graj/. gradata. Desk. 



cochlidium, Kien. 



Genus PSEUDOSTROMBUS, Klein. 



Foot moderate, simple posteriorly. 



Shell elongated, smooth, without epidermis, last whorl 

 ventricose ; spire acuminate ; aperture ovate ; columella 

 arched, smooth ; outer lip thin. 



Syn. Dorsanum, Gray. 



Ex. P. politus, Lamarck.) pi. 12, fig. 4. Shell, P. Tran- 

 quebaricus, Bolten., fig. 4, a. 



The shell of Pseudostromhus chiefly differs from that of 

 Bullia in the absence of the band of enamel round the 

 sutures of the spire. 



Species of Pseudostromhus. 



Malabaricus, Hanley. vitreus, Reeve. 



politus, Lam.. 

 vor.. I. Q 



