144 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



''Adult $ (Type, no. 10195; coll. C. B. Cory).— Head ash gray, 

 becoming- dull grayish olive on the back; a superciliary stripe of dull, 

 buffy white, ])ordered b}' a narrow streak of brown on the sides of the 

 crown ; a malar stripe of dull brown. Under parts white, faintly tinged 

 with olive; crissum dull white, showing a slight yellowish tinge at the 

 vent; quills and tail brown, showing a tinge of olive on the outer webs 

 of the inner feathers. 



"Length, 5.60 (14;i mm.); wing, 3.50 (87); tail, 2.60(66); tarsus, 80 

 (20.5); bill, O.TO (18). ^'« 



Island of St. Andrews (near Old Providence), Caribbean Sea. 



Vireosylvia canescens Cory, Descrip. Six New Species Birds Old Providence and 

 St. Andrews, May 27, 1887, 2; Auk, iv, July, 1887, 178 (St. Andrews (I., 

 Caribbean Sea; coll. C. B. Cory). 



VIREOSYLVA FLAVOVIRIDIS FLAVOVIRIDIS Cassin. 

 YELLOW-GREEN VIREO. 



Adults {aexes alike). — Pileum and hindneck phiin mouse gray, the 

 former margined laterally, in part, by a more or less distinct dusk}' 

 line, this sometimes obsolete; rest of upper parts plain bright olive- 

 green; an indistinct superciliary stripe of paler gray, this sometimes 

 obsolete behind eye; lores dull grayish, darker next to anterior angle 

 of ej'e; auricular region light olive-green, fading into pale gray or 

 grayish white on suborbital and malar regions; chin, throat, median 

 portion of chest and breast, and abdomen white; sides and flanks 

 olive-yellow, Idending with olive-green of upper parts on sides of 

 neck; under tail -coverts, under wing-coverts and axillars clear sulphur 

 yellow or light lemon yellow; maxilla dusky or brownish (in dried 

 skins) with paler tomia; mandible whitish or pale brownish (grayish 

 blue or bluish gray in life); iris red or brownish red; legs and feet 

 horn color (grayish blue in life). 



Youixj {first ijlnmage). — Pileum, hindneck, back, rump, scapulars, 

 lesser wing-coverts, and postocular streak pinkish drab; a whitish 

 superciliary stripe; underparts white medially, primrose yellow later- 

 ally, the under tail-coverts and under wing-coverts sulphur yellow; 

 remiges and rectrices as in adults. 



Adult ?;ia^e.— Length (skins), 131-157 (139.5); wing, 75-82 (78.1); 

 tail, 50-60 (55.1); exposed culmen, 14-15 (14.4); tarsus, 18-19 (18.9); 

 middle toe, 10-11 (10.7).^ 



Adidt female.— IjQw^th. (skins), 123-142 (136.7); wing, 74-80 (76.3); 



« Original description. ^ Twenty-four specimens. 



