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. LUC AS AN us Ridg. 

 St. Lucas Buzzard. 



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



var. KRIDERI. 

 Krider's Buzzard. 



t "- 352. BUTEO LINEATUS (GM.) JARD. 

 Bed-shouldered Buzzard. 



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



var. ELEGANS (Cass.) Ridg. 

 Western Bed-shouldered Buzzard. 



353. BUTEO ZONOCERCUS SCL. 



Band-tailed Hawk. 



354. BUTEO SWAINSONI BP. 



Swainson's Buzzard. 



355. BUTEO PENNSYLVANICUS (WILS.) BP. 



Broad-wingred Buzzard. 



-> 35G. ARCHIBUTEO LAGOPUS (BRUNN.) GR., 

 var. SANCTI-JOIIANNIS (Gin.) Ridg. 

 Roiigrli-leg*g-ed Buzzard. 



357. ARCHIBUTEO PERRUGINEUS (LIGHT.) GR. 



ferrugrineous Buzzard. 



358. ASTURINA PLAGIATA SCHLEGEL. 



CJray Ilan'k. 



359.f OTT5TCHOTES GRUBERI RIDG. 

 Buzzard. 



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

 t359. Questionably North American. 



