*123. 
23a: 
123b. 
*124. 
62 
Wing 3 205-213, 2 253-264 mm. ; tail with 
5 black bands ; head black ; sides of face 
and under surface slaty blue, with blackish 
shaft stripes; thighs and under wing- 
coverts rufous. 
Accipiter bicolor bicolor (Vieill.), N. Dict., 
x., p. 325 (1817). [Cayenne.] 
Four-banded Sparrow-Hawk. 
Wing 3 215, 2 250-254 mm. ; under wing- 
coverts white, rufous along carpal bend ; 
thighs rufous ; tail with 4 dark bars. 
Accipiter bicolor schistochlamys Hellmayr, 
Bull. B.O.C., xvi., p. 82 (1906). [Nanegal, 
W. Ecuador, type in Tring Mus.] 
Hellmayr’s Sparrow-Hawk. 
Wing ¢ 200 mm.; below much darker 
schistaceous ; axillaries and under wing- 
coverts cinereous edged with white, instead 
of white. 
Accipiter bicolor fidens Bangs & Noble, 
Auk., xxxv., p. 444 (1918). [Vera Cruz.] 
Mexican Sparrow- Hawk. 
Larger and darker than A. b. bicolor; 
wing 2 260 mm. 
Accipiter chilensis Phil. & Landb., Arch. f. 
Naturg., 1864, p. 43. [Chile.] 
Chilian Sparrow-Hawk. 
Wing ¢ 210-216, 2 246-250 mm.; below 
ashy grey, with large white spots and bars, 
margined with brownish; thighs rufous ; 
under wing-coverts rufous. 
Central America 
to Colombia, 
Venezuela and 
Guiana. 
W. Ecuador. 
Mexico. 
Chile to Str. 
Magellan, 
Patagonia. 
