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ACCIPITER. : 221 
rump, and tail-coverts brown without hidden white spots; sides of head 
brown; chin and throat white with a narrow median brown line; re- 
mainder of under parts rich reddish brown or rusty chestnut, most intense 
and uniform on breast and sides, each feather barred with dark brown and 
white, the barred portion hidden, more or less, by the wide reddish brown 
tips; crissum white; wings brown, primaries barred with gray on distal 
part of inner webs and with ochraceous on basal part; secondaries barred 
with ochraceous on inner webs; scapulars with two or more large white 
spots, all concealed; axillars and wing-lining faint ochraceous, barred 
with brown; tail brown, crossed by five darker brown bars. 
Male from Benguet, Luzon.—Length, 254; wing, 156; tail, 114; cul- 
men from base, 18 ; tarsus, 48; middle toe with claw, 35. A 
Female from Benguet, Luzon.—Bill black, bluish at base, cere pea- 
#reen; iris and eyelids bright yellow; skin about eye and base of bill 
dull green; nails very dark brown; legs and feet light yellow. Length, 
310; wing, 185; tail, 140; culmen from base, 20; tarsus, 53; middle 
toe with claw, 45. 
Breeding female from Cebu.—Bill horn-blue ; cere waxy green; iris and 
eyelids chrome-yellow ; legs greenish yellow; nails blackish. Length, 312; 
wing, 179; tail, 136; culmen from base, 20; tarsus, 56; middle toe with 
claw, 44. 
Immature male-—Upper parts earthy brown; head and mantle slightly 
bluish ash; feathers of wings, mantle, rump, and upper tail-coverts edged 
with rusty brown; median line on throat incomplete; breast and abdomen 
white with very wide, seal-brown, shaft-stripes ; sides and flanks with some 
reddish brown cross-bars; thighs white, barred with brown; wing-lining 
ochraceous with large blackish brown spots. 
“Accipiter manillensis is, I think, subspecifically distinct from typical 
A. virgatus, and Mr. Whitehead having, in addition to the Museum series, 
now obtained three adult females, we have a fair number of skins for 
comparison. 
“Adult female.—Differs from the female of A. virgatus in having the 
chest, breast, and sides nearly uniform light red in the most adult birds, 
while in somewhat younger examples the middle of the breast shows dis- 
tinct cross-bars of reddish brown and white; the under surface on the 
quills washed with rufous. Wing, 175 to 178; tail, 137 to 139; tarsus, 
52 to 53. 
“Adult male.—Like the male of A. virgatus. Wing, 152 to 155; tail, 
122 to 124; tarsus, 51.” Grant, Ibis, (1896), 109. 
I have found considerable difficulty in identifying members of the 
genus Accipiter from the Philippines and the preceding descriptions will 
require revision when more specimens shall have been collected. With 
some hesitation I have placed A. stephensoni as a synonym under A. 
mantllensis instead of under A. gularis. 
