166 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Montana and North Dakota; winters south to southern Lower California, 

 northwestern Mexico, and southern Texas; casual in California and Missouri; 

 accidental in South Carolina. 



[Falco aesalon TUNSTALL. Merlin. [358.1.] 



Falco cesalon TUNSTALL, Orn. Brit., 1771, 1. (Great Britain.) 



RANGE. Europe, Asia, and northern Africa; accidental in Green- 

 land.] 



SUBGENUS RHYNCHOFALCO RIDGWAY. 



Rhynchofalco RIDGWAY, Proc. Bost. Soc. N. H., XVI, 1873, 46. Type, 

 by orig. desig., Falco femoralis TEMMINCK = Falco fusco-ccerulescens 



VlEILLOT. 



Falco fusco-cserulescens VIEILLOT. Aplomado Falcon. [359.] 



Falco fusco-ccerulescens VIEILLOT, Nouv. Diet. d'Hist. Nat., XI, 1817, 90. 

 (Paraguay.) 



RANGE. Arizona, New Mexico, and southern Texas south through 

 Central America to Patagonia. 



SUBGENUS CERCHNEIS BOIE. 



Cerchneis BOIE, Isis, XIX, 1826, 970. Type, by monotypy, Falco rupi- 

 colus DAUDIN. 



[Falco tinnunculus LINN^US. Kestrel. [359.1.] 



Falco tinnunculus LINNAEUS, Syst. Nat., ed. 10, I, 1758, 90. (Sweden.) 



RANGE. Northern part of Eastern Hemisphere; accidental in 

 Greenland (Cape Farewell).] 



Falco sparverius LINNAEUS. 



RANGE. North and South America. 



a. Falco sparverius sparverius LINNAEUS. Sparrow Hawk. [360.] 



Falco sparverius LINNAEUS, Syst. Nat., ed. 10, I, 1758, 90. (Carolina.) 



RANGE. North America east of the Rocky Mountains. Breeds from the 

 Upper Yukon, northwestern Mackenzie, southern Keewatin, and Newfound- 



