(11) OSMOTRERON VERNANS (Linn.). 
THE PINK-NECKED GREEN PIGEON. 
Columba vernans Linn., Mant., p. 526 (1771) ; Lath., I. Orn., II p. 599. 
Columba purpurea id. ib., p. 599. 
Treron vernans Blyth, J.A.S8.B., XIV pt. m p. 851; Everett, J.S.B.AS., 
p. 196. 
Osmotreron vernans Bp., Con. Av., I p. 12; Hume, Str. Feath., III p. 323; 
Wald, in Blyth’s B. Burma, p. 144; Hume and Dav., Str. Feath., 
VI pp. 411 and 414; Hume, Cat. no. 774, bis; id., Str. Feath., VIII 
pp. 67 and 109; Oates, B. Burma, II p. 309; id., in Hume’s Nests 
and Eggs, 2nd ed., II p. 375; Salvadori, Cat. B.M., XXI p. 60; Blanf., 
Avi. Brit. I., IV p. 13; Sharpe, Hand-list, I p. 54; Oates, Cat. Eggs 
B.M.,I p. 83; H. R. Baker, J.B.N.H.S., XVII p. 760. 
Osmotreron viridis Hume, Str. Feath., I p. 461; id. ib., III p. 162; Blyth, 
B. Burma, p. 144. 
Vernacular Name. WNgu, Burmese. 
Description.—Adult male. Head and throat grey, in some cases with 
a tinge of green on the fore-head and throat; neck all round as far as the 
upper-breast below and extending on the sides and back as far as the shoulder 
purple-lilac, somewhat mixed with grey where the purple adjoins the back ; 
back, scapulars, lesser and median wing-coverts and innermost secondaries 
green, the median wing-coverts broadly edged with pale lemon-yellow ; rump 
green, changing to a bronze-tan on the upper tail-coverts; tail grey with a 
broad subterminal band of black, widest on the outer rectrices, narrowest 
on the central ones. Primaries and outer secondaries black, the first three 
or four primaries with narrow pale yellow margins. The greater coverts 
are the same colour as the back, but have broad yellow margins to the outer 
webs. Winglets and outer primary-coverts black. A broad circular patch 
of orange covering the whole breast ; abdomen yellow-green, faintly splashed 
with grey at the sides; tibial plumes and feathers about vent darker green 
with wide yellow borders. Under wing-coverts and axillaries grey, and the 
flanks mingled grey and green. Under tail-coverts deep chestnut, sometimes 
with a blackish patch near the ends of the longest. Under aspect of the tail 
black with a narrow grey tip. 
Colours of soft parts. ‘Iris pink; feet light lake; bill plumbeous, nail 
whitish, cere and edge of gape green; weight about 6 oz.” (Davison). 
“Trides with three rings, the outer buff or pink, the next prussian blue, 
the inner ultramarine ” (Davison). 
Measurements. “Length about 11; tail 40; wing 5.8; tarsus .8; 
bill from gape .8 ” (Blanford). 
The large series of this Pigeon in the British Museum shows a very wide 
Tange of measurements, the largest wing being no less than 6.10 in. 
( = 154.9 mm.) and the smallest only 5.30 ( = 134.6 mm.), whilst the average 
is a little over 5.55 ( = 141.0 mm.). 
