3 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



3992. Amia dictyocephala Cope. Paratype. 



Portion of skeleton, lacking head and tail, on slab. Eocene. 

 South Park, Colorado. 



Cope, Bull. U. S. Geol. and Geogr. Surv. Terr. (2), No. i, 1875, 

 p. 3; Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 745, pi. 59, 

 fig. I. 



2181. Amia (Protamia) media Leidy. Type. 



Centrum of vertebra. Bridger (Eocene). Junction of Big 

 Sandy and Green rivers, Wyoming. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1873, P- 98; Rept. U. S. Geol. 

 Surv. Terr., I, 1873, p. 188, pi. 32, figs. 7-9. 



5374. Amia scutata Cope. Type. 



Partial skeleton with posterior and anterior portions want- 

 ing. Eocene. South Park, Colorado. 



Cope, Bull. U. S. Geol. and Geogr. Surv. Terr. (2), No. i, 1875, 

 p. 3; Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 745, pi. 60, 

 fig. I. 



3996. Amphiplaga brachyptera Cope. " Type. 



Partial skeleton lacking head. Green River (Eocene). 

 Twin Creek, Wyoming. 



Cope, Bull. U. S. Geol. and Geogr. Surv. Terr., Ill, 1877, p. 812; 

 Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 84, pi. 12, fig. 4. 



401 1. Amphiplaga brachyptera Cope. Plesiotype. 



Nearly complete skeleton on slab. Green River (Eocene). 

 Twin Creek, Wyoming. 



Cope, Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 48, pi. 7, fig. 5. 



4063. Amyzon commune Cope. Type. 



Complete skeleton on slab. Florissant (Eocene). Floris- 

 sant, South Park, Colorado. 



Cope, Bull. U. S. Geol. and Geogr. Surv. Terr., I, No. 2, 1874, 

 p. 50; Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 749, pi. 5, 

 fig. 21. 



4074. Amyzon mentale Cope. Cotypes. 



4075. Partial skeleton on slab, and portion of skeleton lacking 



tail and anterior portion of head. Eocene. Osino, 

 Nevada. 



Cope, Proc. Amer. Philos. Soc, XII, 1872, p. 481; Rept. U. S. 

 Geol. Sur\\ Terr., Ill, 1884, p. 749, pi. 59, fig. 2; pi. 60, fig. 2. 



4231. Ansedopogon tenuidens Cope. Type. 



Partial skeleton including head. Upper Cretaceous. Near 

 Para, Brazil. 

 Cope, Proc. Amer. Philos. Soc, XII, 1872, p. 54. 



13, Apateacanthus vetustus( Clarke). See Pristacanthus vetustus. 



4045. Asineops pauciradiatus Cope. Type. 



Complete skeleton. Green River (Eocene). Twin Creek, 

 Wyoming. 



Cope, Bull. U. S. Geol. and Geogr. Surv. Terr., Ill, 1877, p. 813; 

 Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 87, pi. 14, fig. i. 



