106 



TRITONIID.E. 



Sub-geu. LAMPAs, Scliumacher. 



Shell turreted ; whorls nodose ; canal very short and recurved. 



affinis, Brod. 

 bitubercularis, Lam. 

 bufo, Chem. 

 cfelata, Brod. 

 Californica, Hinds. 

 coriacea, Reeve, 

 cruentata, Sow. 

 hians, Schum. 

 livida, Reeve. 

 ponderosa, Reeve. 

 pustulosa. Reeve. 



ranelloides, Reeve. 

 rhodostoma, BecJc. 

 rubeta, Linn. 

 rugosa, So^v, 

 scrobiculator, Linn. 

 semigranosa, Lam. 

 siphonata, Reeve. 

 tuberosissima, Reeve. 

 ventricosa, Brod. 

 venustula, Reeve. 

 verrucosa, So^v. 



Sub-gen. aspa, H. and A. Adams, 



Shell ovate, ventricose, smooth ; spire very short ; whorls no- 

 dulous at the angles. 



laevigata, Lara. 



Sub-gen. apollon, Montfort (Gyrina, Schum.). 

 Spine elevated ; front canal short ; posterior canal wanting. 



anceps, Zam. 

 Argus, Lavi. 

 candisata, Chem. 

 clathrata, Gray. 

 cuspidata. Reeve. 

 granularis, Bolt. 

 gyrina, Linn. 

 hastula, Reeve. 

 leucostoma. Lam. 



olearia, Linn. 

 olivator, Mcusch. 

 plicata, Reeve. 

 pusilla, Brod. 

 quercina. List. 

 rosea, Reeve. 

 Thersites, Redf. 

 vexillum, Sow. 



