28 
Synopsis of the Birds 
American Sparroiv-Hawk, Falco sparverias , Wils . Jim* 
Qrn . w. j?. 117. p?. 16 . fig . i. female , «meZ iv. p, 57. jpZ« 32 . 
%*. 2. wraZe. 
Inhabits throughout North and South America, except in 
high northern latitudes : wintering in the southern states. 
11. Falco columbarius, L. Dusky; beneath whitish, with 
blackish stripes ; tail with four narrow white bands. 
j Pigeon HawJc, Falco columbarius , Wils . A m. Orn, ii. p° 
107 .pi l '* fig* 3 . 
Inhabits the south of the United States ; extending its mi- 
grations as far north as Hudson’s Bay. 
’** Bill with an obtuse lobe each side . 
SUBGENUS V. ASTUR. 
Astur , Bechst . Cuv. Dwdalion , Savigny. Autours , Temm> 
Accipiter, ( afterwards Sparvius), Vieill, 
Bill strong ; lobe of the upper mandible well defined : 
nostrils rounded or somewhat oval and oblique. Tarsi rather 
elongated, scutellated ; middle toe much longer than the 
lateral ; outer connected at base by a membrane, shorter than 
the inner : nails long, much incurved, very acute. Wings 
short ; first primary considerably shorter than the second ; 
fourth longest. 
Female similar in colour, but a full third larger than the male. 
Bold ; sanguinary; skimming the earth with great rapidity 
of flight ; seize their prey upon the wing, but never falling 
upon it from on high, nor soaring into the elevated regions 
of the atmosphere; and only describing wide circles in the air 
in the season of their loves. 
f Tarsi rather short and robust, {Astur es, auct.) 
12. Falco palumbarius, L. Blackish ; eyebrows whitish ; tail 
fasciated with paler 5 cere livid yellow. 
