FOSSIL BIRDS. 451 



Genus OMORHAMPHUS Sinclair. 



Omorhamphus Sinclair, Proc. Amer. Philos. Soc, LXVII, 192S, 51. 

 Type, by monotypy, Omorhamphus storchii Sinclair. 



Omorhamphus storchi Sinclair. 



Omorhamphus storchii Sinclair, Proc. Amer. Philos. Soc, LXVII, 1928, 

 52, pis. 1-2, figs. 1-3. 



Lower Eocene (Lower Gray Bull Horizon, Lower Wasatch): one and one 

 half miles southeast of Dorsey Creek, about two miles south of Otto- 

 Basin Road, Bighorn County, Wyoming. 



Order CHARADRIIFORMES. Shore Birds, Gulls, 

 Auks, and Allies. 



Suborder CHARADRII. Jacanas and Shore Birds. 



SuPERFAMiLY CHARADRIOIDEA. Shore Birds. 



Family HAEMATOPODIDAE. Oyster-Catchers. 



Genus PARACTIORNIS Wetmore. 



Paraciiornis Wetmore, Condor, XXXII, No. 3, May 15, 1930, 153. 

 Type, by monotypy, Paraciiornis perpusillus Wetmore. 



Paractiomis perpusillus Wetmore. 



ParacHornis perpusillus Wetmore, Condor, XXXII, No. 3, May 15, 1930, 

 153, figs. 54-56. 



Lower Miocene: Carnegie Hill, Agate fossil quarry, near Agate, Sioux 

 County, Nebraska. 



Family CHARADRIIDAE. Plovers, Turnstones and 

 Surf-Birds. 



Subfamily CHARADRIINAE. Plovers. 



Genus CHARADRIUS Linnaeus. 



Charadrius Linnaeus, Syst. Nat., ed. 10, I, 1758, 150. Type, by tau- 

 tonymy, Charadrius kiaticula Linnaeus. 



