GEN. 158-159 OF KEY. 69 



341. PALCO SACER F0R8T. 

 Cryrfalcon ; Jerfalcon. 



341a. PALCO SACEB Forst., 

 var. CANDiCANS (Gm.) Ridg. 

 Crreenland Cryrfalcon. 



342. PALCO MEXICANTTS Light. 



I^anler falcon. 



343. PALCO COMMimiS Vamokum. 

 Pereg-rine Falcon ; Suck Hawk. 



344. PALCO COLUMBARIUS L. 



Fig-eon Sawk. 



345. PALCO RICHARDSONII Ridg. 



Rlcbardson's falcon. 



346. PALCO SPARVERIUS L. 



Sparrow Bafvk. 



346a. PALCO SPARVERIUS L., 

 var. iSABELLiNus (Sw.) Ridg. 

 Isabella Sparrow Hawk. 



347. PALCO PEMORALIS Temm. 



Femoral Falcon. 



348. BUTEO UNICINCTUS (Temm.) Gk., 



var. HAKRisi (Aud.) Ridg. 

 Harris' Buzzard. 



349? BUTEO COOPERI Cass. 

 Cooper's Buzzard. 



350? BUTEO HARLANI (Aud.) Bp. 

 Harlan's Buzzard. 



351. BUTEO BOREALIS (Gm.) V. 

 Bed-tailed Buzzard ; Hen Hawk. 



