88 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



with minute bristle-like points. Eyelids and orbital region normally- 

 feathered. Wing rather short, the longest primaries exceeding longest 

 secondaries by less than length of exposed culmen ; outermost (tenth) 

 primary decidedly longer than primary coverts, one-third as long as 

 ninth, the latter equal to fourth; eighth primary equal to the longest 

 (eighth, seventh, and sixth) ; four primaries (eighth to fifth) with 

 outer webs sinuated. Tail decidedly shorter than wing but slightly 

 longer than bend to end of secondaries, slightly but distinctly rounded 

 (graduation less than length of gonys). Tarsvis long and rather 

 slender, more than one-third as long as wing, the acrotarsium showing 

 traces of segmental subdivisions, with one distinct segment (scutellum) 

 at upper end; middle U:>e (without claw) less than two-thirds as long 

 as tarsus; lateral toes unequal, the inner (without claw) reaching to 

 subterminal articulation of middle toe, the outer slightly beyond; 

 hallux slightly shorter than inner toe; basal phalanx of middle toe 

 united for more than basal half to outer toe, for less than half to inner 

 toe; claws normal, or rather small, that of the hallux decidedly 

 shorter than its digit. 



Coloration. — Above plain brownish slate color, including wings and 

 tail, the former with a narrow Jongitudinal white patch involving 

 outer web of two innermost greater coverts; under parts plain 

 brownish gray, with chin, abdomen, and tips of under tail-coverts 

 white; bill bright orange, legs and feet dull orange in life. 



Nidijication. — Nest loosely constructed of rootlets and other 

 vegetable fibers, open above, placed in a small tree or bush, sometimes 

 in hollow stump or other convenient place; eggs white or buffy white, 

 more or less thickly speckled, spotted, or splashed with brown or 

 reddish brown. '^ 



Range. — Greater Antilles (peculiar to the island of Jamaica). 

 (Monotypic.) 



HAPLOCICHLA AURANTIA (Gmelin). 

 WHITE-CHINNED THRUSH. 



Adults (sexes alike). — Above plain dark grayish brown or sooty 

 slate, relieved by a small longitudinal white patch on upper part of 

 wing, involving outer web of two innermost greater coverts; pileum 

 and tail more or less darker than back, sometimes sooty blackish; 

 sides of head similar in color to upper parts, fading gradually into 

 plain grayish brown or brownish gray (nearly hair brown) on throat, 

 chesty breast, sides, and flanks, the color becoming gradually some- 

 what paler posteriorly; chin, abdomen, and median portion of lower 

 breast white; under tail-coverts brownish slate color, tipped with 

 white; bill, legs, and feet yellowish (bright orange in life); iris ''dull 



orange. 



" b 



o Resembling somewhat eggs of Mimocichla. 

 b Gosse, Birds Jamaica. 



