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CORVID JS — THE CROWS 
79 
Wing, over 8.00 (8.50 maximum); tail over 10.00 (13.50, max., its 
graduation more than half its length, 7.70) ; culmen, 1.55; tarsus, 1.75; 
middle toe, 1.05. Hah. Northern and Middle North America, exclu- 
sive of the Atlantic Province of United States and California. ( Ameri- 
can Magpie.') .* . var. hudsonica . 
b. Bill and bare space around the eye yellow. 
Wing, 7.50; tail, 10.50; its graduation, 5.00; culmen, 1.50; tarsus, 
1.75 ; middle toe, 1.05. Hah. California. {Yellow-hilled Magpie.) 
var. nuttalli . 
Genus CYANITRA, Swainson. (Page 78.) 
-'Six4 
Common Characters. Wings and tail deep blue, the latter, with the secon- 
daries and tertials, sometimes also the greater coverts, barred with black.- Nest 
as in the other genera, except Pica , open above, and without thorny walls. 
Eggs about five or six. 
A. Greater coverts, tertials, secondaries, and tail-feathers tipped broadly 
with white ; lower parts generally, including lateral and under parts of 
head, whitish. 
C. cristata. Head above, back, scapulars, lesser wing-coverts, rump 
and upper tail-coverts, light ashy purplish-blue ; a narrow frontal band, 
a loral spot, streak behind the eye, and collar round the neck, com- 
mencing under the crest, passing down across the. end of the auriculars 
and expanding into a crescent across the jugulum, black ; throat tinged 
with purplish-gray, the breast and sides with smoky-gray ; abdomen, 
anal region, and crissum pure white. Length, 12.25; wing, 5.70 ; tail, 
6.00; bill, 1.25; tarsus, 1.35; middle toe, .85; crest, 2.20. Nest of 
twigs, lined with dark fibrous roots. Eggs blue, brown, or drab, 
blotched with darker olive-brown. Hah. Eastern Province of North 
America. {Blue Jay.) 
15. No white on wing or tail ; lower parts deep blue. 
C. stelleri. Color deep blue, less intense than on wings and tail, ex- 
cept dorsal region, which may be deep blue, ashy-brown, or sooty- 
black. Head and neck dark grayish-brown, dusky-blue, or deep 
black, the throat more grayish. Length about 13.00. 
a. No white patch over the eye; throat and chin not abruptly 
lighter than adjacent parts ; secondary coverts not barred with 
black. 
Whole head, neck, jugulum, and dorsal region plain sooty- 
black ; no blue streaks on forehead, or else these only faintly 
indicated. The blue everywhere of a uniform dull greenish- 
indigo shade. Depth of bill, .45 ; crest, 2.60 ; wing, 6.00 ; 
tail, 6.00; culmen, 1.35; tarsus, 1.75; middle toe, 1.00. Nest 
bulky ; of roots and twigs, sometimes with a layer of mud ; 
lined with fibrous roots (Nuttall), with deer’s hair (Lord). 
Eggs pale green, with olive-brown spots. Hah. Northwest 
coast, from Sitka to the Columbia. {Steller's Jay.) . var. stelleri. 
Whole head, neck, jugulum, and dorsal region plumbeous- 
umber ; the forehead conspicuously streaked with blue, and 
the crest washed with the same. The blue of two very 
different shades, the wings and tail being deep indigo, the 
body and tail-coverts greenish 'cobalt-blue. Depth of bill, 
jJ 
A;.. 
