2o8 Brewster on a Collection of Arizona Birds. 
sides and crissum ; the breast and sides of the abdomen thicklv marked 
with rounded spots of clear brown. 
The series of adults is a very full one and includes several interest- 
ing styles of plumage. Some of the males have the brown of the 
back mixed with ashy, which has a tendency to form a collar on the 
nape, and gives the interscapular region a patched appearance. In others 
the red of the under parts as well as that of the crown is replaced 
by orange; while one specimen has a large patch of lemon-yellow on the 
right side of the breast, which shows in striking contrast with the other- 
wise clear carmine of the lower surface. These variations present a 
curious analogy to certain similar ones which occur in the Scarlet 
Tanager and Summer Red-bird. 
1 15. Ornithmm imberbe ridgwayi, vur. nov . Ridgway’s 
Beardless Flycatcher. 
Ch. Sp. $ Similis O. imberbi , sed rostro robustiore ; colore obscuriore 
ac magis cinerario. 
Adult $ (No. 6000, author’s collection — collector’s No. 313. Tucson, 
May 1, 1881. F. Stephens). Above ashy brown ; crown nearly pure brown 
in decided contrast with the back ; rump pale brown with a faint olive 
tinge; wings and tail brown, edged with ashy-white; greater and middle 
wing-coverts tipped with fulvous, forming two wing-bars ; edge of wing 
and under wing-coverts pale lemon-yellow ; lores and sides of head pos- 
teriorly, ashy ; a narrow frontal line continued backward above and nearly 
around the eye, ashv-white; under parts ash, shading posteriorly to ashy- 
white on the belly, and Avith the faintest possible lemon tinge on the 
jugulum and crissum ; bill stout; upper mandible much curved, brown; 
under mandible slightly curved, brown at tip, brownish-orange at base; 
commissure reddish-orange. 
Dimensions. Length, 4.60; extent, 7.20; wing, 2.23; tail, 1.96; culmen, 
.42; tarsus, .56; depth of bill at nostrils, .15. 
Adult $ (No. 6133, author’s collection — collector’s No. 446. Tucson, 
May 28, 1881. F. Stephens). Smaller than the male, slightly more 
yellowish below and with a faint tinge of olive on the back. 
Dimensions. Length, 4.50; extent, 6.70; wing, 2.04; tail. 1.78; culmen, 
.40’; tarsus, .52; depth of bill at nostrils, .14. 
Juv.. first flumage, $ (No, 6138, author’s collection — collector’s No. 
451. Tucson, May 29, 1881. F. Stephens). Crown plumbeous; back 
olive-brown ; wing and tail-coverts, outer edges of secondaries, and a 
broad tipping on all the rectrices, dull brownish-chestnut; beneath deli- 
cate aslry-bufF, shading to yellowish-white on the belly and crissum : bill 
orange, dusky at tip of upper mandible. 
Habitat , Arizona. 
The chief points of difference between the above race and imberbe 
proper may be briefly expressed as follows : 
O. imberbe. — Depth of bill at nostrils, .11 to .13. Above olivaceous- 
ash : entire under parts strongly tinged with lemon-yellow. 
