HOLOCEPHAU. 



in 



Edaphodon stenobryus (Cope). 



Ischyodus stenobryus Cope, Rep. U. S. Geol. Surv. Terr., II, 1875, pp. 284, 



285. Hornerstown, N. J., Greensand No. 5. 

 Edaphodon stenobryus Hussakof, Bull. Amer. Mus. N. H., XXV, 1908, p. 



39, PL 2, figs. 6-7 (types). 



Fig 63. — Edaphodon stenobryus (Cope). (From Hussakof.) 



