BUTREEON. 13 



1279. Osmotreron vernans. The Pink-necked Green Pigeon. 



Columba vernans, L. Mant. p. 526 (1771). 



Columba viridis, Miiller, Natursyst. Suppl. p. 132 (1789), nee Linn. 



Osmotreron vernans, Bp. Consp. Ay. ii, p. 12; Hume, S. F. iii, 



p. 323; Wald. in BlytVs Birds Burin, p. 144; Hume $ Dav. 

 ri., pp. 411, 414; Hume, Cat. no. 774 bis: Oxtes, B. B. ii, 

 p. 309; id. in Humes N. $ E. 2nd ed ii, p. 375; Salvadori, Cat. 



B. M. xxi, p. 60. 



Osmotreron viridis, Hume, S. F. i, p. 461 ; iii, p. 162. 



Coloration. Male. Head, chin, and throat ashy, sometimes with 

 a greenish wash, especially on the throat ; neck behind and at the 

 sides, and a broad band across the upper breast, lilac ; back, rump, 

 scapulars, tertiaries, and wing-coverts olive-green ; quills black ; 

 the usual broad yellow borders to greater coverts and tertiaries, 

 and linear edges to primaries and secondaries ; upper tail-coverts 

 brownish olive ; tail-feathers slaty grey, a black subterminal band, 

 very narrow on median, growing much broader on outer feathers, 

 all rectrices black from base beneath, the pale grey tips above and 

 below quite narrow, not above one-tenth of an inch in breadth ; 

 breast orange ; abdomen green, growing yellow towards the vent ; 

 lower flank-feathers dark green with yellow edges, lower tail-coverts 

 deep cinnamon-red, flanks and inner surface of wings slaty grey. 



The female is green, the forehead, sides of head, and lower parts 

 paler and brighter; no grey, lilac, nor orange on the head, neck, 

 or breast ; lower tail-coverts very broadly edged with buff : other- 

 wise like the male. 



Bill dull white or pale plumbeous ; irides with three rings, the 

 outer buff or pink, the next prussian-blue, the inner ultramarine ; 

 legs and feet pink (Davison). 



Length about 11 ; tail 4 ; wing 5'8 ; tarsus '8 ; bill from gape *8. 

 The female is slightly smaller. 



Distribution. From Siam, Cochin China, and the Malay Peninsula, 

 throughout the Malay Archipelago to the Philippines and Celebes. 

 This Green Pigeon is found in Southern Tenasserim as far north 

 as Mergui. 



Genus BUTRERON, Bouap., 1854. 



Bill thicker and higher than even in Treron, but the rhampho- 

 theca, though occupying more than two-thirds of the culmen, does 

 not extend back to the feathers of the forehead. Sexes differing 

 slightly, but there is no red on the back of the male. Sinuatiou 

 of third primary less than in Crocopus, but still well marked. Tail 

 rounded, lower tail-coverts extending to the ends of the outer 

 rectrices. A single species. 



1280. Butreron capellii. The large Thick-billed Green Pigeon. 



Columba capellei, Temm. PI. Col. pi. 143 (1823). 

 Treron capellei, Blyth, J. A. S. B. xiv, p. 848; id. Cat. p. 228; 

 Hume, S. F. viii, p. 67. 



