364 CHECK-LIST OF NORTH AMERICAN BIRDS. 



28. Fhalacrocorax micropus (COPE). 



Graculus micropus COPE, Bull. U. S. Geol. Surv. Terr. IV. No. 2, 



1878, 386. 

 Phalacrocorax micropus COUES, Key N. A. Birds, 2cl ed. 1884, 824. 



Pliocene of Oregon. 



ORDER ANSERES. 



29. Cygnus paloregonus COPE. 



Cygnus paloregonus COPE, Bull. U. S. Geol. Surv. Terr. IV. No. 2, 

 1878, 388. 



Pliocene of Oregon. 



30. Branta hypsibates (COPE). 



Anscr hypsibates COPE, Bull. U. S. Geol. Surv. Terr. IV. No. 2, 



1878, 387. 

 Branta hypsibates COUES, MS. 



ORDER PALUDICOL^E. 



31. Grus haydeni MARSH. 



Cms haydeni MARSH, Am. Journ. Sci. XLIX. 1870, 214. 

 Pliocene of Nebraska. 



32. Grus proavus MARSH. 



Grit s proavus MARSH, Am. Journ. Sci. IV. 1872, 261. 

 Post-pliocene of New Jersey. 



33. Aletornis nobilis MARSH. 



Aletornis nobilis MARSH, Am. Journ. Sci. IV. 1872, 256 

 Eocene of Wyoming. 



