Page:Birds of North and Middle America partV Ridgway.djvu/44

16 : bb. Second phalanx of middle toe partly united to outer toe; acrotarsium fused ("booted"). (Pithyeæ.)
 * c. Tail not longer than combined length of tarsus and middle toe with claw.
 * d. Orbital region wholly feathered; outstretched feet reaching much beyond tip of tail; coloration varied.
 * e. Conspicuously crested and bearded; nostrils less widely separated (distance between them less than that from either to maxillary tomia); back and wings unicolored

Pithys (extralimital).
 * ee. Neither crested nor bearded; nostrils more widely separated (distance between them greater than that from either to maxillary tomia); wings spotted or barred.
 * f. Bill relatively shorter (exposed culmen not more than one-fourth as long as wing) and broader (width at frontal antiæ much greater than its width at same point and equal to at least half the distance from nostril to tip of maxilla); back spotted or barred, or with a concealed patch of white; tail tipped with white or cinnamon

Hylophylax (p. 126).
 * ff. Bill relatively longer (exposed culmen more than one-fourth as long as wing) and more compressed (width at frontal antiæ very little if any greater than depth at same point and equal to less than half the distance from nostril to tip of maxilla); back neither spotted nor barred, nor with concealed white patch; tail unicolored.

Sclateria (extralimital).
 * dd. Orbital region partly nude; outstretched feet reaching to but little if any beyond tip of tail; coloration plain

Anoplops (p. 130).
 * cc. Tail decidedly longer than combined length of tarsus and middle toe with claw.
 * d. Tail about two-thirds as long as wing; loral and frontal feathers dense; malar region wholly feathered; nostril narrow, longitudinal; culmen less sharply or not at all ridged; under parts unicolored.
 * e. Pileum crested; upper eyelid not feathered; culmen more contracted, slightly ridged; back and wing-coverts unicolored.

Rhegmatorhina (extralimital).