352 NORTH A.MEHICAX BIRDS. 



W. Fcatliers of lliront ppotted with wliitc beneath surface; averaging larger, 

 the bill csjieeiali}-; iris with an outer ring of grayish blue'; length (fresh) 

 17.40-21.75, wing 7.30-8.40 (7.93), tail 9.30-1L95 (10.65), exposed cul- 

 men 1.15-1.42 (1.2G), tarsus 1.70-1.92 (1.82). Eggs 1.28 X .SO. Hab. 

 Westei'n Noith Ameiiea (except mo.st of California), from New Mexico 

 and Arizona to Alaska, east to eastern Colorado, Dakota, western Mani- 

 toba (casually to Michigan and norihern Illinois?). 



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

 (C. Bill and naked skin of orbital region bright yellow. 



Otherwise like P. hudsonica, but a%-eraging {Iccidedlj- smaller; length about 

 16.00-18.00, wing 7.20-7.70 (7.38), tail 9.30-10.30 (9.68), exposed cuhneu 

 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 Auu. Yellow-billed Uagpie. 



Genus PSILORHINUS Ruppell.' (Page 350, pi. XCVII., 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'. Ko white on tail. 



Adult: Head, neck, and chest uniform dark brown, gradually changing 

 into a lighter shade of the same on u]ipcr ]iarts, and into still paler 

 graj'ish 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. Hab. Eastern Mexico, 

 north to the Rio Grande Valley, south to Tchuantepec. 



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

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



6'. A distinct malar patch of light bluish gray; belly and under tail-covert.s 

 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 (Iray. Blue-cheeked Brown Jay.' 

 6'. No graj'ish 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 Hi rr. White-tailed Brown Jay.* 



' Ptilorhiniu RUpp., Mas. Sonckonb. 18.37, 188. Typo, P. mej-icaniit RUrp. 

 » Pic; mono Waol., Isis, 1829, 751. P,:inrhlnun mnrin GiiAY, Gon. I!, ii. 1849, .308. 



» Ptilitrhimit rijanogcnyt SnAnPE, Cut. B. Brit. Mu9. iii. 1877, 1 10, pi. 9 (cr OnAY, Iland-Hst, ii. p. 6, rffucp. 

 tii(//a). Doubtleasonly a color phttso or variation of /'. mrricnnut. ( T/". .Stos r,, I'r. Ac. Nat. Sci. Philail. 1891, 94.) 

 « P>ihrhinm mtxicanu, KUiT., Mus. Scnokunb. 18^7, IS9, pi. 11, Gg. 2. 



