V LARIDAE SKE 
sooty-brown, with whitish forehead, grey head, black bill and lores, 
and reddish-brown feet; 4. galapagensis of the Galapagos being 
entirely sooty-black above. 4A. (Jicranous) leucocapillus, with a 
weaker bill and a white crown, has a somewhat more restricted 
range; A. (JL) tenuirostris, with grey lores, ranges from the 
neighbourhood of Madagascar to Australia; A. (JL) hawatiensis, 
with lighter upper parts, occurs around the Sandwich Islands. 
These species make a large flat nest of twigs, leaves, grass, and 
sea-weed, on trees, bushes, or even on the ground, laying one buffish- 
white egg with scattered red-brown markings. Several pairs often 
use one tree. A. (Procelsterna) cinereus, extending from Australia 
to Chili, and A. (P.) caeruleus of Central Polynesia, are nearly 
grey above, but the former is white beneath. The egg is ordinarily 
deposited with little or no nest on a bare rock or on sand. 
In all the rest of the Sub-family the tail is forked instead 
of graduated, though less markedly in Naenia inca of Peru 
and Chili, which is leaden-grey, with curling white plumes 
below the eye, red bill and feet. 
_ The genus Sterna contains the more typical Terns or Sea- 
Swallows, of which the coloration—unless subsequently mentioned 
—is grey above, and white or lighter grey beneath and on the tail. 
S. trudeaus of Brazil, Argentina, and Chili, which strays to the 
United States, and S. melanauchen, ranging from the Amirante 
and Seychelles Islands to the Liu Kiu group and Polynesia, are 
the only two species with the crown white in place of black in 
the breeding season; the former bird has a black streak through 
the eye, the latter a band from the lores to the nape. 
S. minuta, the Lesser Tern, breeds in many parts of Britain, 
and extends from about lat. 60° N. in Europe to the Medi- 
terranean, the Caspian, and North India, migrating to South 
Africa, Burma, and Java. It has a white forehead and belly, black 
lores, orange feet, and yellow bill with black tip. The two or 
three whitish or drab eggs, marked with grey and black, differ 
strikingly from those of the Common Tern and its allies. The 
larger S. sinensis occurs from Bengal and Ceylon to Japan, New 
Guinea, and Australiay’ the greyer-rumped S. antillarum, the 
Least Tern, from northern South America to California and New 
England, or exceptionally to Labrador and West Africa; S.saundersi, 
with nearly black outer primaries, from East Africa to Burma. 
S. superciliaris, with yellow beak, is peculiar to eastern South 
