PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 17 



•i 

 d . Ears blackish, not streaked ; extreme ijoint of base of lower mandible 



witb an almost inappreciable white or brown spot. 



c'. Whole chin, and the spot on the malar apex brown. 



5. M. montamis Cory. 



e^. Extreme point of chin, and malar apex, each with a white spot. 



6. M. solitarius Baird. 



? c^. Legs brown ; a yellow armilla round lower end of tibia. 

 ?7. M. armillatus (Vieill.). 

 a*. Whole under surface unifoi-m whitish ; a white ring round the eye. 

 8. if. eZisrtZ)e</i (Lemb.). 



1. MYADESTES SIBILANS Lawr. 



[Plate II, Fig. 6.] 

 1847. — rtUoyonys armillatus Gosse, Birds of Jamaica, p. 198 (nee Vieill.) (imrf). 

 1878. — Myiadestes sibilans Lawr. Ann. N. Y. Ac. Sc. I, p. 148 ; Pr. U. S. Nat. Mus. 



1878, p. 188. — Ober, Camps in the Caribbees (p. 199).— Lister, Ibis, 1880, p. 



39. 



U. S. Nat. Mus. Ko. 74002 ( i ad. St. Vincent, Nov. 3, 1877.— F. A. 

 Ober). 



First primary about half the 2d, not falcate ; 2d shorter than 7th, 

 normal in shape ; 3d, 4th, 5th, and Cth longest; tail much shorter than 

 wing, and double rounded; 3d and 4th pairs the longest. 



Above smoky black, forehead, crown, nape and sides of head more 

 intense ; lower back, rump, and upper tail-coverts more slaty, with a dis- 

 tinct tinge of olivaceous. Chin and the upper third of the malar stripe 

 white, as also the lower eyelid, and a narrow stripe along the shaft of each 

 ear-covert ; throat and the lower two-thirds of the malar stripe bright 

 orange-rufous, a well defined black line separating the malar stripe from 

 the throat ; breast, upper part of abdomen, and flanks clear ash-gray, 

 many feathers, especially on the flanks, edged with rufous, remaining 

 underparts of the same color as the throat, only a little paler; tibia 

 gray, each feather tipped with rufous. Wings black with the edge, and a 

 large patch at the base on the inner web of each of the six inner primaries, 

 pure white, on the three innermost primaries also extending on to the 

 outre web, and thus forming a very distinct white speculum; base of 

 outer web of the inner secondaries dark ash forming an obscure band ; 

 the innermost secondaries with a narrow edge of faint olivaceous ; under 

 wing coverts and axillars whitish gray, several feathers being edged or 

 tipped with rufous. The innermost pair of tail-feathers grayish-black 

 at the base, becoming pure and deep black towards the tip ; the follow- 

 ing three jjairs uniform black ; the fifth pair has a large wedge-shaped 

 white spot on the inner web along the outer two-thirds of the shaft, outer 

 web also tipped with white; on the outermost pair the white spot 

 extends further tow^ards the base, only leaving a small portion at the 

 base of both webs black, the terminal third of the outer web being dusky 

 ash. Bill black; legs clear pale yellow, claws horny brown. "Iris 

 bright hazel" (Lawr. 1. c). 



As to the dimensions see the table below. 



Another male {ISfo. 74065, U. 8. Nat. Mus.) has an irregular white 

 Proc. Nat. Mus, 82 2 June 5, 18 83, 



