BIRDS OF NORTH AND MIDDLE AMERICA 7 



Sarcogeranns Sharpe, Bull. Brit. Orn. Club, i. 1893, xxxvii. (Type, Grus leu- 



cogeranus Pallas.) 

 Linmogeraniis Sharpe, Bull. Brit. Orn. Club, 1, 1893, xxxvii. (Type, Ardea 



amcrlcana Linnaeus.) 

 Megnlornis Gray, List Gen. Birds, 1841, 85. (Type, Ardea grus Linnaeus.) 



Figure 1. — Grus canadensis canadensis. 



Leucogcra7ius Bonaparte, Compt. Rend., xl, 1855, 720. (Type, Orus Jeucogeranus 



Pallas.) 

 Antigone Reichenbach, Handb. Spec. Orn., 1852, xxiii. (Type, Orus torquata 



■Vieillot= Gr»s collaris Boddaert.) 

 272607 — 41 2 



