378 CHECK-LIST OF NORTH AMERICAN BIRDS. 



FAMILY BAPTORNITHIDJE. 



GENUS BAPTORNIS MARSH. 



Baptornis MARSH, Amer. Journ. Sci., ser. 3, XIV, 1877, 86. Type, by 

 monotypy, Baptornis advenus MARSH. 



Baptornis advenus MARSH. [3.] 



Baptornis advenus MARSH, Amer. Journ. Sci., ser. 3, XIV, 1877, 86. 



Cretaceous (Niobrara); Kansas. 



GENUS CONIORNIS MARSH. 



Coniornis MARSH, Amer. Journ. Sci., ser. 3, XLV, 1893, 82. Type, by 

 monotypy, Coniornis altus MARSH. 



Coniornis altus MARSH. [6.] 



Coniornis altus MARSH, Amer. Journ. Sci., ser. 3, XLV, 1893, 82. 



Cretaceous; Montana. 



SUPERORDER DROM^OGNATH^. 

 ORDER GASTORNITHES. 



FAMILY GASTORNITHIDJE. 

 GENUS DIATRYMA COPE. 



Diatryma COPE, Proc. Acad. Nat. Sci. Phila., 1876, 11. Type, by mono- 

 typy, Diatryma gigantea COPE. 



Diatryma gigantea COPE. [25.] 



Diatryma gigantea COPE, Proc. Acad. Nat. Sci. Phila., 1876, 11. 



Eocene; New Mexico. 



