182 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



ACaPITER SUPERCrUOSUS FONTANIERI Bonaparte 



Central American Tint Hawk 



Adult male. — Above (back, scapulars, interscapulars, rump, and 

 upper tail coverts) dusky neutral gray to plumbeous-black; the fore- 

 head, crown, and occiput black; upper wing coverts, remiges, and 

 rectrices fuscous with a plumbeous cast; the remiges broadly but 

 obscurely barred with black on the inner webs; the inner webs inter- 

 nally becoming white on the fuscous interspaces; below the remiges 

 are whitish barred with deep mouse gray; the three outermost pri- 

 maries distinctly sinuated on their inner webs, the fourth faintly so; 

 rectrices with four broad black bands, the black bands slightly 

 broader than the plumbeous-fuscous interspaces; tipped very nar- 

 rowly with whitish; below the rectrices are whitish barred with dark 

 mouse gray; lores, cheeks, and auriculars deep neutral gray indistinctly 

 barred with dark neutral gray; sides of throat dark neutral gray; chin 

 and upper throat white; lower throat, breast, abdomen, sides, flanks, 

 thighs, under wing coverts and under tail coverts white barred nar- 

 rowly with brownish deep mouse gray; the bars becoming broader on 

 the sides and flanks and narrower on the lower middle abdomen; iris 

 crimson; bill black; feet cadmium yellow; soles of toes Indian yellow. 



Adult female. — Similar to the male, but larger and with the under- 

 parts slightly washed with buffy or tawny and the upperparts washed 

 with fuscous. 



Immature. — Brown phase (sexes alike except for size). Entire 

 upperparts fuscous-black, darkest on the head, where it becomes 

 almost black; wings as in male; rectrices fuscous narrowly tipped with 

 white and crossed by six or seven broad black bars, the bars broader 

 than the interspaces; the interspaces becoming white on their con- 

 cealed inner borders; below the remiges are white barred with fuscous; 

 sides of head smoke gray streaked with dark hair brown; underparts 

 light buff barred with buffy brown, the bars narrowest on the lower 

 abdomen, widest on the sides and flanks. Rufous phase (sexes alike 

 except for size). Forehead, brown, and occiput fuscous; back, scapu- 

 lars, interscapulars, upper wing coverts, secondaries, rump, and upper 

 tail covers bright hazel, the feathers with large, partly concealed sub- 

 apical areas of mummy brown and wholly concealed white basal areas; 

 the secondaries transversely barred with blackish; the primaries sim- 

 ilar, but broadly tipped with fuscous and with the inner webs paling 

 to buff on the inner edges; rectrices bright hazel crossed with six 

 transverse, narrow, black bars; superciliary stripe, auriculars, and 

 cheeks russet; sides of throat russet becoming paler posteriorly; chin 

 and middle of throat whitish lightly washed with very pale russet; 

 breast, abdomen, sides, flanks, thighs, and under tail coverts pale 

 cinnamon abundantly barred with dark russet, the dark bars becom- 



