CEPHALOPODA— AMMONOIDEA. 



213 



side and a third at the umbiHcal border ; suture with more strongly 

 incised lobes than in preceding. 

 Fredericksburg beds, Texas. 



370. E. stoUeyi (Bohm). (Fig. 1487, i-^.) Comanchic. 





Fig. 1487. a-c, Engunoceras serpentinuin, X /^j ^.nd suture ; d-f, E. gihbosum, 

 two views, X yiy and suture ; g, h, E. pierdenale, side view, X /^> ^""^ suture ; i-k, 

 E. stolleyi, two views, X /^> ^^^ suture. (After Hyatt. ) 



Venter slightly concave, bordered by elongate, alternating nodes ; 

 lateral nodes very faint ; young costate ; suture very simple. 

 Fredericksburg ( ?) of Texas. 



371. E. pierdenale (von Buch.). (£. pedernalis Bohm.) (Fig. 

 i4Sy, g,h.) Comanchic. 



Similar to E. gihbosum, but suture much simpler. 

 Fredericksburg of Texas. 



