GEN. 159-161 OF KEY. 71 



351a. BUTEO BOREALIS (GM.) V., 



var. CALURUS (Cass.) Ridg. 

 Western Red-tailed Buzzard. 



351b. BUTEO BOREALIS (GM.) V., 



var. LUCASANUS Ridg. 

 St. Lucas Buzzard. 



351c.* BUTEO BOBEALIS (GM.) V., 



var. KRIDERI. 

 Krider's Buzzard. 



352. BUTEO LINEATUS (GM.) JARD. 

 Red-shouldered Buzzard. 



352a. BUTEO LINEATUS (GM.) JARD., 



var. ELEGANS (Cass ) Ridg. . 

 Western Red-sliouldered Buzzard. 



353. BUTEO ZONOCERCUS SCL. 



Band-tailed Hawk. 



354. BUTEO SWAINSONI Bi>. 



Buzzard. 



355. BUTEO PENNSYLVANICUS (WILS.) BP. 

 Broad-wingred Buzzard. 



350. ABCHIBUTEO LAGOPUS (BRUNN.) GR., 

 var. SANCTI-JOHANNIS (Gm.) Ridg. 

 BougrK-legrgred Buzzard. 



357. ARCHIBUTEO PERRUGINEUS (LIGHT.) GR. 



W errugrineous Buzzard. 



358. ASTURINA PLAGIATA SCHLEGEL. 



Oray Haivk. 



359-f ONYCHOTES GRUBERI RIDG. 

 Cumber's Buzzard. 



* Sole. Not in Key ; not published at date of going to press. 

 f359. Questionably North American. 



