ORDER RAPTORES. IQS 



Subgenus iESALON Kaup. 



jEsalon Kaup, Sk. Ent. Eur. Thierw. 1829, 40. Type, Falco asalon 

 Gmel. = F. regulits Pall. 



.357. Falco columbarius Linn. 

 Pigeon Hawk. 



Falco columbarius Linn. S. N. ed. 10, L 1758, 90. 

 [B7, C344, R417. C505.] 



Hab. The whole of North America, south to the West Indies and 

 Northern South America. 



357 <z. Falco columbarius suckleyi Ridgw. 



Black Merlin. 



Falco cohiml "ius var. suckleyi RiDGW. Bull. Essex Inst. V. Dec. 

 1873, 201. 



[B — , C 344^, R 417 rt, C 506.] 



Hab. Northwest coast region of North America, from California to 

 Sitka. 



358. Falco richardsonii Ridgw. 



Richardson's Merlin. 



Falco (^Hypotriorchis) richardsonii Ridgw. Pr. Ac. Nat. Sci. Phila. 

 Dec. 1870, 145. 



[B — , C 345, R 418, C 507.] 



Hab. Interior and western plains of North America, from the Mis- 

 sissippi River to the Pacific coast, and from the Arctic regions to 

 Texas. 



'V'. =• [p -i • J Subgenus RHYNCHOPALCO Ridgway. 



Rhynchofalco Ridgw. Pr. Boston See. Nat. Hist. 1873, 46. Type, 

 Falco femoralis Temm. = F. fusco-caerulescens Vieill, 



359. Falco fusco-ccemlescens Vieill. 



Aplomado Falcon. 



Falco fusco-caerulescens Vieill. Nouv. Diet. XL 1817, 90. 



