PLANESTICUS. 543 



<f. Larger; wing, 127 mm.; tail, 115; cliin, throat, and chest pale drab-gray; 

 flanks and breast similar in color to the upper surface of body; median 

 area of under surface spotted with white anteriorly, all white poste- 

 riorly; under tail-coverts sooty -brown, with broad, longitudinal white 

 stripes malindangensis (p. 546) 



524. PLANESTICUS MINDORENSIS (Grant). 

 MINDORO BLACK THRUSH.* 



Turdus mindorensis Grant, Ibis (1896), 465; Whitehead, Ibis (1899), 



213, (habits). 

 Merula mindorensis Shaepe, Hand-List (1903), 4, 125; McGkegob and 



Worcester, Hand-List (1906), 83. 



Mindoro ( Whitehead) . 



"Adult male. — Top and sides of the head and nape grayish brown, 

 shading into brownish black on the rest of the upper parts and tail; 

 chin whitish; throat and upper breast brownish gray, but considerably 

 paler than the crown ; sides of the lower breast and flanks rich chestnut ; 

 middle of the breast and belly pure white; under tail-coverts dark gray, 

 tinged with rufous and with wide white middles, widest toward the 

 extremity. Length, 229; wing, 108; tail, 88; tarsus, 30. 



"Adult female. — Only differs from the male in having the brownish 

 black upper parts washed with dark olive, most conspicuous on the rump 

 and upper tail-coverts. Length, 221; wing, 108; tail, 82.5; tarsus, ^0. 



"In the immature male the upper parts resemble those of the female, 

 but most or many of the feathers on the top of the head are brownish 

 black and similar in color to the back of the adult male. 



"In a slightly older example the head is mixed with the brownish gray 

 feathers of the adult plumage; in a younger bird the crown is uniform 

 brownish black, and the feathers of the mantle have rufous shaft-stripes. 

 Both these birds have the chest and upper breast mixed with rust-colored 

 feathers spotted with black at the extremity, and perfectly similar to 

 those found in the young of the common blackbird {T. merula). 



"An immature female has the top of the head and nape warm dark 

 brown, and the rest of the upper parts dark brown washed with olive, as 

 in the adult female, but few of the feathers of the mantle and wing-coverts 

 have narrow rufous shaft-stripes, and the throat and chest are mostly 

 clad in the rust and black-spotted immature plumage. The nearly adult 

 female differs only from the adult in having the crown blackish brown." 

 {Grant). 



' * Birds of the genus Planesticus are called "blackbirds" in Europe a*jd "robins" 

 in the United States; as both of these names are in common use for birds of 

 entirely different genera I have employed the name "black thrush" for the Phil- 

 ippine species of Planesticus. 



