94 MANUAL OF PHILIPPINE BIRDS. 
outer web blackish, and the streak next shaft on inner web pale gray; 
the succeeding primaries palest QF; next the shafts on the outer and 
the inner webs, the inner margins of all being pure white; tail long and 
forked, the middle tail-feathers pale pearl-gray, the rest white; under 
parts glossy white, with a beautiful roseate tint. Bull black; tarsi and 
toes dark brown to black. Length, 343 ; culmen, 41; wing, 216; tail, 152; 
depth of fork, 76; tarsus, 18; foot with middle toe, 23. The male ap- 
pears to have somewhat longer streamers than the female; otherwise the 
sexes are alike externally. 
“Adult in winter plumage.—Differs only in having less black in front 
of the eye and on the nape. 
“Immature.—Similar to the above, but there is a brownish tinge to the 
black on the nape; wing-coverts ash-gray; a dark line along the carpal 
joint; webs of the four outer primaries on both sides of the white shafts 
dark ash-gray (outermost black), outer webs of the tail-streamers also 
ash-colored. 
“Young.—Forehead and crown buffish white, with black streaks which 
become confluent on nape; feathers of mantle and tail gray, barred with 
ash-brown and tipped with buff; primaries with a good deal of gray, which 
throws into strong relief their broad, white, inner margins. Bill ocher- 
yellow, horn-colored near the tip; toes yellowish brown. 
“Nestling.—Above pale buff, spotted and streaked with black and 
umber-brown ; beneath dull drab.” (Saunders.) 
Genus ANOUS Stephens, 1826. 
This genus is distinguished by its brown plumage and graduated tail- 
feathers. 
85. ANOUS STOLIDUS (Linnezus). 
NODDY TERN. 
Sterna stolida LINN US, Syst. Nat. ed. 10 (1758), 1, 137. 
Anous stolidus SAUNDERS, Cat. Birds Brit. Mus. (1896), 25, 136; BLANFORD, 
Fauna Brit. Ind. Bds. (1898), 4, 325, fig. 73; SHaRrPE, Hand-List 
(1899), 1, 137; Oates, Cat. Birds’ Eggs (1901), 1, 197; McGrecor 
and WoRcESTER, Hand-List (1906), 21. 
Cagayan Sulu (McGregor); Palawan (Whitehead, Platen, McGregor). Tro- 
pical and juxtatropical seas of the world. 
“Adult male in breeding plumage.—Forehead nearly white at base of 
bill, passing on the crown into lavender-gray, which deepens on neck into 
lead-color ; lores and orbital region black, with a faint whitish superciliary 
streak ; upper parts chiefly dark brown; primaries, tail-feathers, and their 
shafts nearly black; under parts dark brown on abdomen and breast, 
passing into deep lead-color on the throat. Bull blackish; tarsi and toes 
reddish brown, fully webbed, webs ochraceous. Length, about 406; cul- 
men, 53; wing, 260 to 280; tail, 152 to 178, the fourth feather from the 
outside the longest ; tarsus, 25; middle toe with claw, 39. 
