Aedon familiaris, Mene.
492ter. :- Butler, Guzerat; Stray Feathers, Vol. III, p. 476 ; Murray's Vertebrate Zoology of Sind, p. 163 ; (Sylvia familiaris).
THE GREY-BACKED WARBLER.
Length, 6.5 to 7.5 ; expanse, 9.75 to 10.75 ; wing, 3.3 to 3.5; tail, 2.62; tarsus, 1; bill at front, 0.8; bill from gape, 0.9 to 0.95.
Bill, upper mandible and tip of lower a somewhat fleshy but dusky-brown; rest of lower mandible and base yellowish-fleshy ; irides dark brown ; legs and feet dusky or livid-fleshy.
A broad superciliary stripe, from the nostrils, over the eyes and some little distance behind the eyes, dull white or yellowish-white ; a brown stripe from the nostrils to the "anterior angle of the eye, continued backwards, though not conspicuous, for some distance from the posterior angle; forehead, crown, occiput, sides of neck, entire back and wings dull earthy-brown, paler and more drabby in some; quills and coverts margined and narrowly tipped with dull' yellowish or brownish-white, with usually a slight rufescent tinge on the margins of the primaries; rump brownish-chesnut;- upper tail-coverts and tail chesnut; central tail-feathers more or less brown on one or both webs ; all the. other tail-feathers, with a conspicuous subterminal dark-brown band (which in the outer feathers runs some distance down the outer web), and tipped, the two pairs next the centre narrowly with rufescent, and the other three successively more and more broadly with pure white ; chin and throat sordid-white with an indication of a darker line at the angle of the gape; ear-coverts and the rest of the lower parts similar, but tinged with a faint brownish shade usually; wing-lining and axillaries with a very faint yellowish-salmon tint; inner margins of inner webs of quills, on the lower surface, with a decided buffy-tinge.
This is a very uncommon species, and only occurs as an exceptionally rare winter visitant to Sind and Northern Guzerat.