BIRDS OF NORTH AND MIDDLE AMERICA, 



113 



PLANESTICUS GYMNOPHTHALMUS (Cabanis). 

 NAKED-EYED THRUSH. 



Adults (sexes alike). — Above plain olive or grayish olive, the pri- 

 maries and rectrices darker, with olive or grayish edgings; chin and 

 throat dull white, the latter streaked with grayish brown or olive; 

 chest, breast, sides, and flanks, plain pale buffy olive or grayish brown 

 (varying from light grayish Isabella color to pale hair brown) ; abdo- 

 men and under tail-coverts white, the latter with much of concealed 

 light grayish olive or brownish gray, the outer webs of lateral feathers 

 largely of this color; axillars and larger under wing-coverts buff, 

 tinged with pale grayish olive; bill light yellow, basal portion brown- 

 ish or dusky (in dried skins) ; iris yellowish brown,'* red, ** or brown ;** 

 legs and feet light yellowish horn color in dried skins, gray'* or yellow- 

 ish gray'* in life; bare orbital space orange '' or yellow. '^ 



Young. — "Birds of the year have ochraceous tips to the greater 

 wing-coverts. Young in first plumage have the characteristic ochra- 

 ceous shaft-lines to the feathers of the upper parts, ochraceous centers 

 to those of the underparts, and dark tips to both."'* 



Adult 7naZe.— Length (skins), 195-230 (218); wing, 109-121.5 

 (116.6); tail, 90-104 (96.6); exposed culmen, 17-20 (19); tarsus, 

 29.5-31 (30.7); middle toe, 19.5-21 (20.2).^ 



Adult female.— Ijeiigih. (skins), 197-228 (212); wing, 111.5-120 

 (115.8); tail 87.5-100 (94.2); exposed culmen, 18.5-20.5 (19.8); 

 tarsus, 28-31.5 (30.2); middle toe, 20-21 (20.4)./ 



"W. B. Richardson, on labels. 



b F. A. Olier, on label. 



cGoeldi. 



rfSeebohm, Cat. Birds Brit. Mus., v, 1881, 213. 



« Eleven specimens. 



/Six specimens. 



Specimens from different localities compare as follows in average measurements: 



Locality. 



Five adult males from Grenada 



Two adult males from St. Vincent. 



Four adult males from Toliago 117 



Three adult females from Grenada 



One adult female from Venezuela (Valencia) 



One adult female from British Guiana (Paramaribo) 

 One adult female from Cayenne 



Middle 

 toe. 



20.4 

 20.2 

 19.9 



20.7 

 20 

 20 

 20.5 



The series examined is very deficient in specimens from the mainland, so that I am 

 unaltle to determine satisfactorily whether the island birds are really identical or not. 

 The single Cayenne example is decidedly browner than any of the others. 



11422— VOL 4—07 8 



