GEN. 159-161 OF KEY. 71 



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

 var. CALURUS (Cass.) Ridg. 

 Hf^eistei'n ICe«l-taiIed Buzzard. 



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

 var. LUCASANUS Ridg. 

 St.- liiicas Buzzard. 



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



var. KKIDERI. 



l£rider'iS Biizzard. 



352. BUTEO LINEATUS (Gm.) Jard. 

 Bed-sltouldered Buzzard. 



352a. BUTEO LINEATUS (Gm.) Jard., 



var. ELEGANS (Cass ) Ridg. 

 ITejStern Med-s^liouldered Buzzard. 



353. BUTEO ZONOCERCUS Scl. 



Baud-tailed l&a%vk. 



354. BUTEO SWAINSONI Bp. 



!<i^vain§on'$i Buzzard. 



355. BUTEO PE]SrNSYLVAH"ICUS (Wils.) Bp. 



Broad-iviug'cd Buzzard. 



35G. ARCHIBUTEO LAGOPUS (Brunn.) Gk., 

 var. SANCTi-JoiiANNis (Gm.) Ridg. 

 Bougli-legged Buzzard. 



357. ARCHIBUTEO FERRUGINEUS (Light.) Gr. 



Ferrug-ineou!!) Buzzard. 



358. ASTURIWA PLAGIATA Schlegel. 



Oray JH.a>vli. 



359. t ONYCHOTES GRUBERI Ridg. 

 Oruber's Buzzard. 



* 351c. Not in Key; not published at date of going to press, 

 t 359. Quentionably Nortli American. 



