a1. Smaller and lighter, without a vinous wash on breast and abdomen; dark rufous-brown above. ... tenuirostris (p. 52) a2. Larger and darker, a faint vinous wash on breast and abdomen; blackish brown above. ... phæa (p. 53) 44. MACROPYGIA TENUIROSTRIS Bonaparte. SLENDER-BILLED CUCKOO DOVE. Macropygia tenuirostris Bonaparte, Consp. Gen. Avium (1854), 2, 57; Salvadori, Cat. Birds Brit. Mus. (1893), 21, 346; Whitehead, Ibis (1899), 491; Sharpe, Hand-List (1899), 1, 74; McGregor and Worcester, Hand-List (1906), 13. Macropygia eurycerca Tweeddale, Proc. Zool. Soc. (1878), 288 (young). Ba-tic'-la-uin', Manila; i-bu-oo, Benguet Igorot. Balabac (Everett); Basilan (Everett, Steere Exp., Bourns & Worcester, McGregor); Bohol (McGregor); Bongao (Everett); Leyte (Whitehead); Luzon (Meyer, Heriot, Steere Exp., Bourns & Worcester, Whitehead, McGregor); Marinduque (Steere Exp.); Masbate (Bourns & Worcester); Mindanao (Everett, Steere Exp., Bourns & Worcester); Mindoro (Bourns & Worcester, McGregor, Porter); Negros (Meyer, Steere, Everett, Keay); Palawan (Lempriere, Whitehead, Platen, Steere Exp., Bourns & Worcester); Romblon (McGregor); Sibutu (Everett); Sibuyan (McGregor); Sulu (Burbidge); Tawi Tawi (Bourns & Worcester). Adult male.--Head, sides of neck and breast, and lower parts bright cinnamon-rufous, much lighter on throat and chin, darker on flanks, under tail-coverts, and rectrices; above including wings and tail dark brown; most of the feathers except remiges and rectrices, edged with fine rufous dots; feathers of neck covered with irregular vermiculations of rufous and blackish brown; sides of neck and of body and crop marked with a few black cross-lines; neck and its sides glossed with amethystine changing to green; metallic colors extending faintly onto back and rump; rectrices from above dark brown, except two outermost pairs which are cinnamon-rufous, each crossed by a diagonal black bar; next pair similar but more obscurely colored; inner webs of primaries edged with cinnamon. Iris of three rings, outermost reddish or crimson, middle ring black, innermost pale straw; skin around eye dirty brown; eyelids and basal half of bill crimson; distal end of bill brown; legs and feet bright crimson; nails brown. Length, about 394; three males average, wing, 189; tail, 200; exposed culmen, 16; tarsus, 23. Adult female.--Nearly like the male but with very little if any metallic gloss; neck and its sides black, barred with light cinnamon; crop and lower throat more or less barred and vermiculated with black.