352 NORTH AMERICAN BIRDS. 
b. Feathers of throat spotted with white beneath surface; averaging larger, 
the bill especially; iris with an outer ring of grayish blue; length (fresh) 
17.40-21.75, wing 7.30-8.40 (7.93), tail 9.30-11.95 (10.65), exposed cul- 
men 1,15-1.42 (1.26), tarsus 1.70-1.92 (1.82). Eggs 1.28 xX .90. Hab. 
Western North America (except most of California), from New Mexico 
and Arizona to Alaska, east to eastern Colorado, Dakota, western Mani- 
toba (casually to Michigan and northern Illinois ?). 
475. P. pica hudsonica (SaB.). American Magpie. 
a?, Bill and naked skin of orbital region bright yellow. 
Otherwise like P. hudsonica, but averaging decidedly smaller; length about 
16.00-18.00, wing 7.20-7.70 (7.38), tail 9.30-10.30 (9.68), exposed culmen 
1.04-1.17 (1.11), tarsus 1.63-1.89 (1.82). Eggs 1.24 x .89. Hab. Middle 
California from west slope of Sierras to the coast. 
476. P. nuttalli Aup. Yellow-billed Magpie. 
Genus PSILORHINUS Ruprret.! (Page 350, pl. XCVIL, fig. 2.) 
Species. 
Common CuaractTEers.—Above uniform brown, darker on head, and becoming 
grayish on tail; chin, throat, and chest uniform brown, the remaining lower parts 
varying from pale brown to white. 
a. No white on tail. 
Adult: Head, neck, and chest uniform dark brown, gradually changing 
into a lighter shade of the same on upper parts, and into still paler 
grayish brown, brownish gray, or isabella-color (rarely whitish) on 
lower parts; bill and feet varying from black to yellow. Young: 
Scarcely different from adult, except in texture of plumage. Length 
about 16.00-18.00, wing 8.00-8.50, tail 8.25-9.30. Hab. Eastern Mexico, 
north to the Rio Grande Valley, south to Tehuantepec. 
P. morio (WaGL.). Brown Jay.? 
a’. Tail-feathers, except middle pair, broadly tipped with white. 
. A distinct malar patch of light bluish gray; belly and under tail-coverts 
whitish ; length about 16.00-18.00, wing 7.60-8.40, tail 8.50-8.90. Had. 
Eastern Mexico (Mirador) and coast of Honduras (Pearl Bay, Mosquito 
coast). 
P. cyanogenys Gray. Blue-cheeked Brown Jay. 
0%. No grayish blue malar patch ; otherwise like P. cyanogenys ; length about 
15.00-16.00, wing 7.30-8.20, tail 7.60-8.80. Hab. Southern Mexico to 
Costa Rica. 
P. mexicanus Rupp. White-tailed Brown Jay.! 
1 Psilorhinus Ripp., Mus. Senckenb. 1837, 188. Type, P. mexicanus Rupp. 
2 Pica morio WAGL., Isis, 1829, 751. Psilorhinua morio Gray, Gen. B. ii. 1849, 308. 
3 Psilorhinus cyanogenys SHARPE, Cat. B. Brit. Mus. iii. 1877, 140, pl. 9 (ew Gray, Hand-list, ii. p. 6, deser. 
nulla). Doubtless only a color phase or variation of P. mexicanus. (Cf. Stone, Pr. Ac. Nat. Sci. Philad. 1891, 94.) 
4 Psilorhinus mexicanus RUrp., Mus. Senckenb. 1837, 189, pl. 11, fig. 2. 
