308 
Proceedings of Learned Societies. 
2. Anous leucocapii.i.us, nov. sp. A. vertice et nuchd albis ; 
loris, etpartibus circumocularibus, intensii nigris; omni infe- 
riore corpore alisque fuliginosis, necnon occipite, dorso, et 
cauda, sed cinereo tinctis. 
Crown of the head and nape of the neck white; lores and space 
surrounding the eye deep black ; near the posterior angle of the 
upper and lower eyelids a small patch of white; breast, all the 
under surface, and the wings deep sooty black ; back of the neck, 
back and tail the same, slightly tinged with ash; bill black ; feet 
brownish black. 
Total length, 14 inches; bill, 2J ; wing, 9; tail, 5; tarsi, g ; 
middle toe and nail, 1J. 
Hab. North coasts of Australia. 
3. Anous meeanops, nov. sp. A. vertice et nuchd pallidh 
cinereis; dorso saturate griseo ; maculd ante oculum, alterd- 
que minore post oculum intensii nigris. 
Crown of the head and back of the neck light ash-colour, 
passing into deep grey on the mantle and back ; immediately 
before the eyes a large patch, and behind a smaller one, of jet- 
black ; posterior half of the lower and a smaller space on the 
upper lash snow-white; throat, fore-part of the neck, and all the 
under surface deep sooty black ; wings and all the upper surface 
of the same colour, but rather browner; bill black; tarsi and toes 
brownish black. 
Total length, 12 to 13 inches; bill, 2^ ; wing, 8| ; tail, 5 ; 
tarsi, | ; middle toe and nail, 1 
Hab. Very abundant during the breeding season on the Hout- 
man’s Abrolhos, off the western coast of Australia. 
Remark. —This species, although very nearly allied to, is dis¬ 
tinct from the Anous lenuirostris ( Sterna tenuirostris, Temm.) of 
Western Africa, from which it may at once be distinguished by 
the black marks before and behind the eye, of which no trace is 
represented in M. Temminck’s figure in the ‘ Planches Coloriees’; 
neither is this conspicuous mark alluded to in his description. It 
is just possible that this may be the species described by M. de la 
Fresnaye in Guerin’s Magazine, under the generic name of 
Procellosterna. 
