BIRDS — LANIIDAE — ^VIREO HUTTONI. 



339 



List of specimens. 



VIEEO HUTTOKI, Cassia. 



Hutton's Flycatcher. „ 



nreo huttoni, Cassin, Pr. A. N. Sc. Phila. V, Feb. 1851, 150.— Ib. VI, pi. i, f. 1. 



Sp. Ch. — Fourth, fiflh, and sixth quills about equal and longest ; third and seventh equal, and .10 of an inch shorter ; second 

 quill not longer than secondaries; spurious primary large, broad, about half the second. Above olive green, becoming 

 conBidera,bly darker towards the bill and oh sides, of head. Beneath dirty greenish white, tinged with greenish yellow 

 posteriorly. A paler ring round the eye. Two broad bands across the wing coverts and edges of inner tertiaqes, with greater 

 portion of oyter web of the outer tail feather greenish or olivaceous white. Length about 4.75 inehes ; wing, 2.35. '' 



Hab. — South California, across by valley of Gila, to northeastern Mexico. 



The. yellowish. ring round the eye is very .narrow. The space hetween the upper edge of the 

 eye and the bill is yellowish, but not ^ell defined. The rest of the si,des of head and neck are 

 dark olivaceoug, like the back. There is no white, whatever in the under pai-ts or elsewhere, the 

 lightest tints beneath being yellowish, with a brownish tinge. The sides of the body are 

 olivaceous yellowish. 



■This, species differs from F. gil/ous in its large first primary, the whitish bands and edgings of 

 the wings and tail, and in the more olivaceous colors generally. It is of rather smaller size. 

 It is about the same size as V. novehoracensis, but has a much more slender bill, which is horn 

 color instead of blue black ; it lacks the vivid yellow on the forehead and in front of the eye ; 

 the head is darker ; the outer tail feather paler on its outer edge. It lacks the pure white of 

 the throat and the vivid contrast in color between the sulphur yellow of the sides and the 

 whitish of the middle of the body. Both species have concealed whitish on the rump. It is 

 larger than F. ieUi, alihohgh. the bill is the same size ; it has the sides of the head and neck 

 much darker ; there is more whitish on the wing and outer tail feather ; the inferior colors are 

 much browner, with less of the vivid sulphur yellow. 



The differences between the present species and the closely allied V. cassinii will be pointed 

 put in the description pf the latter species. 



List of specimens. 



