WHITE-THROATED FLYEATER. 
Gerygone albigularis rogersi Mathews, Nov. Zool., Vol. XVIII., p. 23, June 17th, 1911 : 
Derby, North-west Australia ; id., ib., p. 308. 
Gerygone albogularis albogularis Mathews, Nov. Zool., Vol. XVIII., p. 308, Jan. 31st, 
1912. 
Gerygone albigularis queenslandica Mathews, ib : Inkerman, Queensland. 
Gerygone albogularis flavigasta Mathews, Austral Av. Rec., Vol. I., pt. 3, p. 76, June 28th, 
1912. 
Gerygone olivaceus olivaceus Mathews, Austral Av. Rec., Vol. I., pts. 6-7, p. 155, Feb. 28th, 
1913 ; id., List Birds Austr., p. 172, 1913. 
Gerygone olivaceus flavigasta Mathews, ib. ; Mathews, ib. 
Gerygone olivaceus queenslandica Mathews, ib. ; Mathews, ib. 
Gerygone olivaceus rogersi Mathews, ib. ; Mathews, ib. 
Distribution. East coast of Australia, but not at Cape York ; Northern Territory ; 
North-west Australia. 
Adult male. General colour above pale grey with a tinge of yellowish-green on the head, 
sides of the face, entire back, scapulars, and lesser upper wing-coverts ; greater 
upper wing-coverts hair-brown with whitish margins to the feathers ; bastard- 
wing, primary-coverts and flight-quills blackish-brown with a yellowish edging on 
the outer webs of the primaries and whitish tips and edgings to the inner webs, 
which are increased in width on the secondaries, where the outer webs are isabelline- 
buff ; upper tail-coverts ochreous ; tail blackish subterminally with a white spot 
on the inner webs at the tips of some of the feathers, the remaining portion of the 
tail drab-brown ; the space in front of the eye and a spot at the base of the bill 
rather darker than the hinder-face ; throat and under wing-coverts white ; breast, 
abdomen and axillaries yellow ; much paler on the under tail-coverts ; under- 
surface of flight-quills dark brown with whitish edges ; lower aspect of tail dark 
brown with more or less white on the feathers at the tips. Eyes red : feet and 
tarsus leaden-blue ; bill black, lower mandible brown. Total length 103 mm. ; 
culmen 10, wing 56.5, tail 36, tarsus 18. Figured. Collected at Point Torment, 
North-west Australia, on the 16th of April, 1911. And is Gerygone olivacea rogersi. 
Adult male. General colour of the upper-parts including the head, sides of neck, entire 
back, scapulars and lesser upper wing-coverts earth-grey with a yellowish tinge ; 
sides of the face somewhat darker than the crown ; median and greater upper 
wing-coverts and flight-quills pale hair-brown with paler margins to the feathers 
on both webs ; middle tail-feathers similar to the flight -quills, the outer feathers 
darker and inclining to blackish on the middle portion with a white spot at the 
base and another at the tip on the inner webs ; the feathers at the base of the 
fore-head, adjoining the nostrils, and the throat white ; breast, abdomen, and 
sides of the body lemon-yellow ; under tail-coverts, axillaries, and under wing- 
coverts paler and inclining to white ; under-surface of flight-quills pale brown ; 
lower aspect of tail dark brown, the lateral feathers blotched with white on the 
inner webs. Eyes scarlet. Wing 57 mm. Figured. Collected on the Barron 
River, near Cairns, North Queensland, on the 17th of May, 1912. 
Adult female. Similar to the adult male. 
Immature. Resemble the adult. 
Nest. Egg-shaped, with hooded entrance and tail-piece. Composed of fine bark held 
together with spiders’ webs, and lined with feathers and hair. Outside measure- 
ments 7 inches long by 2| to 3 inches. 
135 
