353 NORTH AMERICAN BIRDS. 



¥. 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 1.30 X -91. Hah. 

 "Western North America (except California), from New Mexico and 

 Arizona to Alaska, east to Eocky Mountains (casually to Michigan 

 and northern Illinois?). 



475. P. pica hudsonica (Sab.). American Magpie. 

 rt^ Bill and naked skin of orbital region bright yellow. 



Othei'wise 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 1.23 X -87. Hah. 

 California 476. P. nuttalli Aud. Yellow-billed Magpie. 



Genus PSILORHINUS EOppell.' (Page 350, pi. XCYII., fig. 2.) 



Species. 



Common Characters. — 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 gi'ay, 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. Hah. Eastern Mexico, 

 north to the Eio G-rande Yalley, south to Tehuantepec. 



P. morio (Wagl.). Brown Jay.' 

 a^. Tail-feathers, except middle pair, broadly tipped with white. 



h^. 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. Hah. 

 Eastern Mexico (Mirador) and coast of Honduras (Pearl Bay, Mosquito 



coast). 



P. cyanogenys Gray. Blue-cheeked Brown Jay.' 



h"^. 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. Hah. Southern Mexico to 



Costa Eica. 



P. mexicanus KtJPP. White-tailed Brown Jay.* 



1 Psilorhinus Rijpp., Mvis. Senckenb. 1837, 188. Type, P. mexicanus Rtfpp. 



2 Pica morio Wagl., Isis, 1829, 751. Psilorhinus morio Gray, Gen. B. ii. 1849, 308. 



3 Psilorhinua cyanotjenys Sharpe, Cat. B. Brit. Mus. ill. 1877, 140, pi. 9 {ex Gray, Hand-list, ii. p. 6, descr. 

 nulla). 



* Psilorhinus mexicanus RUpp., Mus. Senckenb. 1837, 189, pi. 11, fig. 2. 



