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 1.30 X-91- Sab. 

 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. 

 a 2 . 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 1.23 X .87. Hab. 

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



Genus PSILORHINUS Buppell. 1 (Page 350, pi. XCVIL, 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 1 . 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 Eio G-rande Valley, south to Tehuantepec. 



P. morio (Wagl.), Brown Jay .* 

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



b l . 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. Hab. 

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



coast). 



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

 b*. 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 Eica. 



P. mexicanus Etrpp. White-tailed Brown Jay. 4 



1 PsilorhinuB RtJpp., Mus. Sonckenb. 1837, 188. Typo, P. mexicanus Rttpp. 



2 Pica morio Wagl., Iaia, 1829, 751. Psilorhinus morio Gray, Gon. B. ii. 1849, 308. 



8 Psilorhinue cyanogenys Shabpe, Cat. B. Brit. Mus. iii. 1877, 140, pi. 9 (ex Gbay, Hand-Hat, ii. p. 6, descr. 



nulla). 



* Psilorhinus mexicanus RCpp., Mus. Sonckenb. 1837, 189, pi. 11, fig. 2. 



