GASTROPODA— FULGURIDM. 



771 



with later whorls strongly embracing, angular, the ribs reduced to 

 sharp nodes and the shoulder flat. Spirals numerous, intercalated ; 

 inner lip callous ; outer lip lirate. 



Pamunkey formation of Maryland and Virginia. 



Fig. 1 1 23. a, Strepsidura subscalarina ; b, c, var. nodosus. (Md. Survey.) 



CLVIII. Levifusus Conrad. 



General form like a small Fulgur but generally with a second 

 angulation on the body of the whorl ; canal of varying length, outer 

 lip lirate; protoconch of several gradually increasing, smooth 

 whorls. 

 547. L. trabeatus Conrad. (Fig. 1124,0.) Eocenic. 



Whorls of spire exposing part of body below the angulation; a 

 second angulation in line with posterior end of lip, flat nodules on 

 both angulations, outer lip strongly lirate. Canal slightly bent. 



FlG. 1 1 24. a, Levifusus trabeatus ; b, L. pagodifo 



( After Harris. ) 



