48 TREEONIDiE. 



white, the basal ones greenish and grey at the base ; anterior 

 smaller wing-coverts and bend of the wing slate-black ; rest of the 

 wing black ; median wing-coverts with the tips bright yellow, 

 forming a very broad band on the wing ; greater wing-coverts and 

 tertiaries with broad bright yellow margins, narrower on the 

 secondaries ; under surface of the wings leaden grey ; tail above 

 dull olive-green, the lateral feathers with a broad apical grey band, 

 before which there is a black one ; tail underneath black, with a 

 broad apical light grey band : " bill, cere, and eyelids pale dull 

 blue; tip of the bill, in dry specimens, yellowish; iris white; feet 

 dusky purple " (Wallace). Total length 11*5 inches, wing 6, tail 

 3-5, bill 0-7, tarsus 0-8. 



Female. Differs from the male in having the mantle, the upper 

 wing-coverts, and the scapulars dull olive, without purple-chestnut 

 colour. 



Hah. Bouru, and doubtfully Amboina, and Ceram. 



a, b. c? 9 ad. sk. Bouru. Wallace Coll. 



c,d. J 9 ad. sk. Bouru, Nov. (II. 0. Forbes). Salvin-Godman Coll. 



e-h. <S 9 a d- sk. Moluccas (Hocdt ?). Tweeddale Coll. 



7. Osmotreron axillaris. (Plate IV.) 



Treron axillaris, G. R. Gr. MS. ; Bp. Compt. Rend, xxxix. p. 875 

 (1854) (ex patria incerta), xl. p. 216, n. 16 (1855); id. Coup 

 d'ail Ordr. Pig. pp. 6, 54, n. 16 (1855) ; id. Compt. Rend, xliii. 

 p. 833 (1856) ; Wall. Ibis, 1863, p. 319 ; id. Ibis, 1865, pp. 374, 

 396 ; id. J. f. 0. 1866, p. 277 ; Salv. Cat. B. Strichl. Coll. p. 557 

 (1882) ; Tr'istr. Cat. Coll. B. p. 45 (1889). 



? Osmotreron axillaris, Bp. Consp. Av. ii. p. 13 (1854). 



Treron aromatica, G. R. Gr. (nee Gm.) List B. Brit. Mas. Colurubas, 

 p. 10 (1856) (Philippines); Bp. Compt. Rend, xliii. p. 833 (1856); 

 id. Icon. Pig. pi. 7 (1857) ; Schleg. N. T. D. i. p. 64 (1863) 

 (Philippines), iii. p. 346 (part.) (1866); v. Mart. J.f. O. 1866, 

 p. 23 ; Schleg. Mus. P.-B. Colunibas, p. 52 (part.) (1873) (specim. 

 from the Philippines); Gieb. Thes. Orn. iii. p. 649 (part.) (1877). 



Treron aniboinensis, part., G. R. Gr. Hand-list, ii. p. 222, n. 9079 

 (1870). 



Osmotreron axillaris, Wald. Tr. Zool. Soc. ix. pp. 211, 212 (1875): 

 Sharpe, Tr. Linn. Soc, Zool. i. pp. 346, 353 (Mindanao) (1876);^ 

 Tweedd. P. Z. S. 1877, pp. 549 (Panav), 619 (Luzon), 764 (Zebu), 

 832 (Mindanao), 1878, pp. 113 (Dina>at), 287 (Negros) ; Sharpe, 

 P. Z. S. 1879, p. 316 (Sooloo) ; Tweedd. Orn. Works, pp. 374, 375, 

 412, 460, 462, 473, 525, 538, »5S, 572, 593 (1881) ; Wardl. Rams. 

 Tioeedd. Orn. Works, p. 059 (1881); Kutter, J.f. O. 1883, 

 p. 314 ; Guillem. P. Z. S. 1885, p. 268 (Sulu Isl.) ; Steere, List B. 

 fy M. Steere Exp. p. 24 (Mindanao, Basilan, Guimaras, Panay) 

 (1890). 



Adult male. Similar to that of O. aromatica, but somewhat 

 larger ; the bill larger and more powerful ; the maroon of the 

 mantle covering a larger surface, extending nearly to the bend of 

 the wing, and of a lighter shade ; the ventral plumage more yel- 

 lowish green, and the thigh-coverts or feathers of the fianks bright 

 yellow, with very dark green spots along the middle : " iris bluish 



