472 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Laomis edvardsianus Marsh. ^ 



Laornis edvardsianus Marsh, Amer. Journ. Sci., ser. 2, XLIX, March, 

 1870, 206. 



Eocene: near Birmingham, New Jerse}\ 



Genus PALAEONORNIS Emmons. 



Palaeonornis Emmons, Amer. Geology, Pt. vi, 1857, 148. Type, by 

 monotypy, Palaeonornis struthionoides Emmons. 



Palaeonornis struthionoides Emmons.^ 



Palaeonornis Struthionoides Emmons, Amer. Geology, Pt. vi, 1857, 148, 

 fig. 114. 



?Triassic; Anson County, North Carolina. 



Genus UINTORNIS Marsh. 



Uintornis Marsh, Amer. Journ. Sci., ser. 3, IV, Oct., 1872, 259. Type, by 

 monotypy, Uintornis lucaris Marsh. 



Uintornis lucaris Marsh.' 



Uintornis lucaris Marsh, Amer. Journ. Sci., ser. 3, IV, Oct., 1872, 259. 

 Eocene (Bridger): near Henry's Fork, Wyoming. 



Genus YALAVIS Shufeldt. 



Yalavis Shufeldt, Journ. Geol., XXI, Oct.-Nov. (Nov. 1), 1913, 649. 

 Type, by monotypy, Yalavis tenuipes Shufeldt. 



Yalavis tenuipes Shufeldt.^ 



FaZavis^enwipes Shufeldt, Journ. Geol., XXI, Oct.-Nov. (Nov. 1), 1913, 

 649, figs, lie and 12c. 



Geologic age and locality of occurrence not known. 



1 Doubtfully related to Anseriformes. 



2 Affinity doubtful: possibly not avian. 



' According to Shufeldt, Trans. Conn. Acad. Arts Sci., XIX, Feb., 1915, 50-52, 

 77, pi. VI, fig. 42, this species is of uncertain affinity, and is not a woodpecker 

 as suggested by Marsh. 



* Said in the original description to be a passeriform bird of uncertain affin- 

 ity. 



