316 BULLETIN 50, UNITED STATES NATIONAL MtJSEUM. 



CISSILOPHA BEECHEII (Vigors). 

 BEECHEY'S JAY. 



Adults {sexes alike). — Head, neck, and under parts (except thighs 

 and under tail-coverts) uniform black; thighs and under tail-coverts 

 dull hyacinth or dark cyanine blue; upper parts (except pileum and 

 hindneck) uniform rich smalt blue; under surface of wings and tail 

 slate-black; bill usually black, sometimes yellow; iris yellow;'^' legs 

 and feet yellow. (Young not seen.) 



Adult male.— Length (skins), 362-413 (380); wing, 161.5-175 (171); 

 tail, 176.5-199 (187.5); bill from nostril, 27-30.5 (28); depth of bill at 

 nostrils, 11-15.5 (11.5); tarsus, 18.5-50 (19.5); middle toe, 28.5-30.5 

 (30).^ 



Advlt female. — Length (skins), 315.5-368.5 (354.5); wing, 155.5- 

 171.5 (167); tail, 165-186.5 (179.5); bill from nostril, 25-27.5 (26.5); 

 depth of bill at nostrils, 14.5-15.5 (15); tarsus, 47-52 (50); middle toe, 

 27.5-31 (29.5).'- 



States of Sinaloa (Mazatlan, Culiacan, etc.) and southern Sonora 

 (north to Alamos), northwestern Mexico; State of Jalisco (San Bias)?. 



PicabeecheiiYiGORH, Zool. Journ., iv, Jan., 1829, 353 (Montereale^', s.w. Mexico); 



Zool. Voy. "Bloasom," 1839, 22, pi. 0. 

 Pica beecheyii Baird, in Stan.sbury's Great Salt Lake, 1853, 333 (Monterey). 

 Cli/anolyca] beechn Cabasis, Mus. Hein., i, Oct., 1851, 223, footnote. 

 Cyanolyca beecheyi Salvin and Godman, Biol. Centr.-Am., Aves, i, 1887, 497 



(Mazatlan and Tres Marias, Sinaloa; San Bias, Colima). — Lantz, Trans. 



Kans. Ac. Sci. for 1896-97 (1899), 222 (Culiacan, Sinaloa). 

 [^Cyanociita'] bearhii Bonaparte, Consp. Av., i, 1850, 378 ("Monterey"). 

 Cyanocorax beecheyi Schlegel, Mus. Pays-Bas, Coraces, 1867, 44 ("Califor- 

 nia"). — FiNSCH, Abh. nat. Verh. Brem., i, 1870, 333 (Mazatlan). 

 {Cyanurus'] beecheii Gray, Hand-list, ii, 1870, 4, no. 6101 ("California;" w. 



Mexico). 

 Cyanocitta beecheii. Sclatek and Salvix, Proc. Zool. Soc. Lond., 1876, 269, 270 



(crit.). 

 Cyanocitta beecheyi Lawrence, Mem. Bost. Soc. N. IL, ii, 1874, 283 (Mazatlan; 



" Tres Marias " ; habits). 

 Cyanocitta. beecheyii Baird, Rep. Pacific R. R. Surv., ix, 1858, 592. 

 Xanthura beecheii Sharpe, Cat. Birds Brit. Mus., iii, 1877, 133 (n. w. Mexico). 

 ICyanocitta} beecheyii Sclater and Salvin, Nom. Av. Neotr., 1873, 39 (w. 



Mexico). 

 C[issolopha^ bcecheiilcii-DGWAY, Man. N. Am. Birds, 1887, 350, footnote, in text. 

 Cissolojjha beecheyi Nelson, North Am. Fauna, no. 14, 1899, 50 (Tres Marias, fide 



Xantus; doubtful!). 

 Cissolopha beecheii i^TONE, Proc. Ac. Nat. Sci. Phila., 1891, 444. 



«"Iris and feet gamboge yellow" (Xantus, manuscript). 

 ''Six specimens. 

 <'Four specimens. 



Two specimens from Alamos, Sonora, have much more slender bills than any from 

 the State of Sinaloa, but I am not able to discern any other difference. 

 ''I have not been able to identify this locality. 



