151KDS OF NORTH AND MIDDLE AMEBIC A. 



291 



figs. 11-13 (eggf<). — Nehrlixg, Our Native Birds, etc., ii, 1896, 315. — Brunek, 

 Kep. Nebr. Hort. Soc. for 1896 (1898), 118 (West Point; Norfolk; Harrison; 

 Cherry County; breeding); Proc. Nebr. Orn. Union, sec. ann. meeting, 

 1901, 54 (Cherry and Sioux counties, n. w. Nebraska, breeding). — Clarke, 

 Auk, XV, 1898, 274 (Odessa, e. Ontario, 3 specs.). — 3Iitciikm,, Auk, xv, 1898, 

 309 (San IMiguel Co., New Mexico, breedingat7,000to 12,000ft. ).— McGregor, 

 Auk, xvi, 1899, 78 (AUuras, Modoc Co., n. e. California, abundant). — Mer- 

 Ri.\M, North Am. Fauna, no. 16, 1899, 118 (e. side Shasta Valley, n. Cali- 

 fornia, 1 spec, Sept. 29). — Bates, Proc. Nebr. Orn. Un., sec. ann. meeting, 

 1901, 74 (Chadron, n. w. Nebraska, breeding). — Fleming, Auk, xviii, 1901, 

 40 (Port Sydney, Ontario, 1 spec, summer, 1887). — Fisher (W. K.), Condor, 

 iv, 1902, 11 (Mono Lake, s. e. California, Sept.). — Bailey (Florence M.), 

 Handb. Birds W. U. S., 1902, 270, pi. 



P[ica^ pica hudsonica Ridgway, Man. N. Am. Birds, 1887, 352. 



Pica mdanoleuca (not of Vieillot) Audubox, Synopsis, 1839, 152; Birds Am., oct. 

 ed., iv, 1842, 99, pi. 227.— Cahot, Proc. Bost. Soc. N. H., ii, 18-15, 73 (Mich- 

 igan; crit. ). — McCall, Proc. Ac. Nat. Sci. Pliila., 1851, 217 (\v. Texas, lat. 

 29° 15^ Nov.). 



PICA NUTTALLI Audubon. 

 YELLOW-BILLED MAGPIE. 



Similar in coloration to P. pica liudsonla^ but hill and bare orbital 

 skin bright yellow, and size decddedh^ less." 



.M?//?^ «^«L— Length (.skins), 381-443.5 (106.5); wing-. ISl. 5-106.5 

 (187.5); tail, 229-251(237); exposed culmen, 30.5-32.5 (31.5); depth 

 of bill at nostrils, 12-13 (12.5); tarsus, 13.5-19.5 (17.5); middle toe, 

 22.5-25 (23).'^ 



AdaU ferimle. — ljQ\\^W\ (skins), 109-151 (123.5); wing, 182-191.5 

 (186.5); tail, 230.5-219.5 (239); exposed culmen, 30-31 (30.5); depth 

 of bill at nostrils. 12; tarsus, 11.5-50 (18); middle toe. 22.5-26.5 

 (23.5).^ 



"The average measurements of P. nutfalli agree more nearly with those of P. p. 

 pica than with any other form, comparing with the latter as follows: 



''Six specimens. 

 'Seven spi'cimens. 



