18 
I'ALCONINiE. ASTUR. 
23. 1. Astur palnmbarius, Linn. Gos Hawk. 
Plate CXLL Fig. 1. Adult Male. Fig. 2. Young. 
Adult male dark bluish-grey above, the tail with four broad bands 
of blackish-brown, the upper part of the head greyish-black ; a white 
band, with black lines, over the eyes ; lower parts white, narrowly 
barred with grey, and longitudinally streaked with dark brown. Young 
brown above, the feathers edged with reddish-white, the head and 
hind neck pale red, streaked with blackish-brown, the lower parts yel- 
lowish-white, with oblong longitudinal dark brown spots* 
Male, 24, 47. 
From Maryland, northward. From Kentucky, northward. Migra- 
tory. 
Ash-coloured or Black-capped Hawk, Falco atricapillus, WiLS. Amer. Ornith. 
V. vi. p. 80. 
Falco palumbarius, Bonap. Syn. p. 28. 
American Goshawk, Falco atricapillus, Nutt. Man. v. i. p. 85. 
Accipiter (Astur) Palumbarius, Swains. & Rich. F. Bor. Amer. v. ii. p. 39. 
Goshawk, Falco palumbarius, Aud. Orn. Biog. v. ii. p. 241. 
24. 2. Astur Cooperi, Bonap. Cooper’s Hawk. 
Plate CXLI. Fig. 3. Adult Male. Plate XXXVI. Young Male and Female. 
Tail rounded, tarsi moderately stout. Adult male dull bluish-grey 
above ,* the tail with four broad bands of blackish-brown, and tipped 
with white ; the upper part of the head greyish-black ; lower parts 
transversely barred with light red and white, the throat white, longi- 
tudinally streaked. Female similar, with the bands on the breast 
broader. Young umber-brown above, more or less spotted with white, 
the tail with four blaekish-brown bars ; lower parts white, each feather 
with a longitudinal narrow, oblong, brown spot. 
Male, 20, So. Female, 22, 38. 
From Louisiana northward, and all over the interior, in winter. 
Some breed in the United States. Columbia River, 
Cooper’s Hawk, Falco Cooperii, Bonap. Amer. Orn. Young. 
Falco Cooperii, Bon. Syn. App. p. 433. Young. 
Stanley Hawk, Falco Stanleii, Aud. Orn. Biog. v. ii. p. 245. Adult Male. 
Stanley Hawk, Falco Stanleii, Aud. Orn. Biog. v. i. p. 186. Young. 
25. 3. Astur fuscus, Gmel. Sharp-sliinned Hawk. 
Plate CCCLXXIV. Adult Male and Female. 
Tail even, tarsi extremely slender. Adult male bluish -grey above ; 
the tail with four broad bands of blackish-brown, and tipped with 
white ; upper part of head darker ; lower parts transversely barred 
with light red and white, the throat white, longitudinally streaked. 
Female similar, more tinged with yellow beneath, and with the bands 
on the breast broader. Young umber-brown above, more or less 
