344 



Mxjephy, Birds of Trinidad Islet. 



[Auk 

 Uuly 



treme tips of the white feathers; a broad, mottled collar of gray crossing 

 the throat and upper breast. 



f. arminjoniana, fully mature. Similar to the last, but with a pure 

 white throat, breast, and belly, the only dark on the under surface being 

 on the collar, lower flanks, and crissum. 



g. chio7iophara, adult. Bill flesh color, with a dark unguis ; tarsi and feet 

 flesh color; entire under surface, excepting lower flanks and tips of under tail- 

 coverts, white; back white with dark feather shafts and rhomboid speckles. 



In all my specimens of the three species, the dark plumage of the pileum, 

 back, wings, and tail, is of exactly the same color, excepting that one exam- 

 ple of arminjoniana is somewhat slaty on the back, owing to wear and 

 disintegration of the feathers. 



Among the five specimens of arminjoniana and the three of trinitatis, there 

 is considerable individual variation in the depth of the bill; chionophara 

 has a more slender bill than either of the others, although it is equally long. 

 Chionophara has relatively the shortest tarsus and the longest foot. 



Future study may yet demonstrate that arminjoniana and trinitatis are 

 one species; possibly even chionophara may also be included, or may prove 

 to be a freak. The last bird is of such striking distinction, however, that 

 the only just course was to describe it and give it a name. Mr. Fuertes' 

 drawing (Auk, XXXI, PL II) is a beautiful likeness. It also shows the 

 bird in the correct resting position for an JEstrelata, and the background is 

 quite suggestive of its habitat. 



Measurements of the specimens are appended . The birds marked "breed- 

 ing " had large brood-patches, and had evidently been incubating. The 

 testes of the males, however, were non-active and partly pigmented, as might 

 be expected in the month of April of Tubinares which breed in the south- 

 ern hemisphere. 



Measurements of Skins. 



