290 



NORTU AMERICAN BIRDS. 



Gen- us OPORORNIS, Baird. 



Oporamis, Baird, Birds N. Am. 1S5S, iiti. (Type, Sylvia agilis, WiLS.) 



Gen. Char. Bill sylvicoline. rather compressed ; distinctly notched at tip ; rictal bristles 



very much reduced. Wings elongated, point- 

 ed, much longer than the tail ; the first quill 

 nearly or quite the longest. Tail very slightly 

 rounded ; tail-feathers acuminate, pointed ; 

 the under coverts reaching to within less than 

 half an inch of their tip. Tarsi elongated, 

 longer than the head ; claws large, the hinder 

 one as long as its digit, and longer than the 

 lateral toes. Above olive-green ; beneath 

 yellow ; tail and wings immaculate. Legs 

 yellow. 



Oporomis formosus. 



This group of American 'Wiiililer.s is very distinct from iiiij' other. Tlie 

 typical species is quite siiiiihir in color to Gcothlypis philadeljihia , but is at 

 once to be distinguished by mtich longer wings, more even tail, and laiger 

 toes and claws. It is also very similar to Snurm, difieriug chiefly in the 

 longer wings, lai^er claws, and absence of spots beneath. 



Throat and crown ash-color ; a white ring round tlie eye. No black on the 

 side of the head ............ O. agilis. 



Throat and superciliary stripe yellow ; top of the head and a streak beneath 

 the eye black O. formosus. 



Oporornis agilis, P..\ird. 



CONNECTICUT WARBLER. 



Sylvia agilis, Wiis. Am. Om. V, 1812, 64, pi. xxxix, fig. 4. — Afd. Om. Biog. 11, pi. 

 cxxxviii ; BoN. Sylvicolo. ag. Jard. ; AuD. Birds Am. 11, pi. xcix. Trichasag. Nutt. 

 Oporomis ag. Baird, Birds N. Am. 1858, 246, pi. lx.\ix, fig. 2 : Rev. 218. .? Trichas 

 tephrocotis, Nutt. Man. 2d ed. 1840, 462 (Chester Co., Pcnn. ; top of head pure ash). 

 — Samuels, 208. 



Sp. Ciiar. Spring male. Upper parts and sides of the body uniform olive-green, very 

 slightly tinged with ash on the crown. Sides of the head ash, tinged with dusky beneath 

 the eye. (Entire head sometimes ash.) Chin and throat grayish-assh, gradually becoming 

 darker to the upper part of the breast, where it becomes tinged with dark ash. Sides of 

 the neck, breast, and body olive, like the back ; rest of under parts light yellow. A broad 

 continuous white ring round the eye. Wings and tail-feathers olive (especially the latter), 

 without any trace of bars or spots. Bill brown above. Feet yellow. Length, 6 inches; 

 wing, 3.00 ; tail, 2.2.5. Female. The olive-green reaching to the bill, and covering sides 

 of head ; throat and jiigulum pale ashy-buff. Young not seen. Nesting unknown. 



Autumnal specimen nearly uuiform olive above ; the throat tinged with brownish so as 

 to obscure the ash. 



Hab. Eastern Province of United States. 



/fn 



