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NORTH AMERICAN BIRDS. 
Genus PERISOREUS, Bonap. (Page 78.) 
P. canadensis. 
A. Dusky nuchal hood reaching forward to, or in front of, the eyes ; plum- 
beous-black. 
Dorsal feathers with white shafts in old and young . Tail-feathers not 
distinctly paler at ends. 
1. White frontal patch narrower than length of the bill ; blending gradually 
with the blackish of the crown. Upper parts umber-brownish. Wing, 5.50; 
tail, 5.40 ; bill, .90 and .30. Young. Entirely plumbeous-brown, feathers of 
head above bordered with paler. Beneath paler, whitish brown. -Hob. 
Oregon, Washington Territory, British Columbia, etc. ( Western Canadian 
Jay.). var. obscurus. 
Dorsal feathers without white shafts in old or young . Tail-feathers 
broadly tipped ivith didl -white. 
2. White frontal patch much broader than length of bill ; abruptly defined, 
with a convex outline behind, against the dusky of the occiput. Upper 
parts plumbeous, with a slight brownish cast. Length, 10.70; wing, 5.75; 
tail, 5.80; bill, .95 and .35. Young. Entirely uniform dark plumbeous. 
Breeds in March or April. Nest with base of sticks, on which is a struc- 
ture of fine mosses, etc., lined with feathers. Eggs yellowish- gray ; finely 
marked with slate-color and brown. Hab. Canada, Maine, and Labrador 
to the Yukon. ( Canada Jay.) var. canadensis . 
1$. Dusky nuchal hood not reaching to the eyes, but confined to the nape; 
bluish-plumbeous. 
3. White frontal patch covering whole crown, melting gradually into the 
ashy of the nape ; upper parts bluish-ashy. Wing, 6.00 ; tail, 6.00 ; bill, 1.00 
and .31. Young. Bluish-plumbeous, inclining to ashy-white on the crown 
and cheeks. Hab. Rocky Mountains of United States. ( Mountain Canada 
Jay.) var. capitalis . 
Genus PSILORHINIJS, Ruppell. (Page 78.) 
P. morio. Tail much graduated ; the lateral feathers about two inches shorter than 
the secondaries ; third and fourth longest. General color dark smoky-brown, becoming 
almost black on the head ; the breast brownish-gray ; nearly white about the anus ; under 
tail-coverts tinged with brown ; the exposed portion of the tail with a decided gloss of 
blue; bill and feet, in some specimens, yellow, in others black. Length, 16.00; wing, 
8.00 ; tail, 8.25 ; tarsus, 1.80. Hab. Rio Grande Valley of Northern Mexico ; Texas 
southward to Costa Rica. (Brown Jay.) 
Family TYRANNXDiE. — Tyrant Flycatchers. 
Iris brown or hazel in all the North American species. Nest on trees, or in bushes. 
Eggs white, sometimes tinged with salmon-color, generally blotched, sometimes plain ; 
the markings in Myiarchus (which see) very different. 
