(804) Acrocephalus orinus
The Large-billed Reed-Warbler.
Acrocephalus orinus Oberholser, Proc. U.S. Nat. Mus., viii, p. 895 (1905) (Rampur). Acrocephalus macrorhynchus. Blanf. & Oates, i, p. 360.
Vernacular names. None recorded.
Description. Upper plumage, closed wings and tail olive-brown; lower plumage pale ochraceous, the flanks rather darker; under wing coverts and axillaries pale ochraceous, lighter than the breast.
Colours of soft parts. Not recorded.
Measurements. Total length about 130 mm.; wing 61.5 mm,; tail 37 mm.; tarsus about 20 mm.; culmen 16.5 mm.
The first primary measures about 10 mm. and the second primary is between the ninth and tenth in length.
Distribution. Sutlej Valley, where the only specimen known was obtained.
Nidification and Habits. Nothing recorded.
Oberholser has shown that macrorhynchus is preoccupied and cannot be used for this bird and has therefore renamed it as above.