336 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



APHELOCOMA SUMICHRASTI Ridgway. 

 SuHICHRASTS JAY. 



Similar to A. cyanotis^ but larger (except bill), the back and scapu- 

 lars hair brown or drab, abruptly contrasted with ])lue of hindneck, 

 and under parts much paler and more uniform; chest ver^' indistinctlj' 

 streaked, with little if any blue; rest of under parts white, shading- into 

 very pale grayish brown on upper part of chest, or else merely tinged 

 with this color. 



Young. — Similar to the young of ^4. ^coodhouseii.,^'^^ ]>ut blue of wings 

 and tail darker, back rather browner, and under parts white, instead of 

 gray, onl}^ the chest being tinged with the latter color. 



Adult m«Z^.— Length (skins), 284.5-211 (293.5); wing, 136.5-149 

 (143); tail, 138-153 (147); exposed culmen, 25.5-28.5 (27); depth of bill 

 at nostrils, 8-10.5 (10); tarsus, 40-45.5 (43); middle toe, 22-23.5 (22.5).'^ 



Adult female.—LQn^th (skins), 272-287 (278.5); wing, 134.5-141 

 (138); taif, 136.5-144.5 (140); exposed culmen, 23-27 (24.5): depth of bill 

 at nostrils, 9-10 (9.5); tarsus, 40.5-41.5 (41); middle toe, 21.5-24 (23).'' 



Southeastern portion of Mexican plateau, in States of Vera Cruz 

 (Cordova; Orizaba; Perote), Puebla (Mount Orizaba; Chalchicomula; 

 Tochimilco; San Martin; Tehuacan), Tlaxcala.(Huemantla), and Oaxaca 

 (La Parada; Cinco Senores; Atlisco; Ejutla, Nacaltepec; Mount Zem- 

 poaltepec; Coixtlahuaca; Tlalpancingo). 



Q/anocitta floridana (not Corvus floridaini.t 'BonaY>a.rte) Sclater, Proc. Zool. Soc. 



Lond., 1856, 300 (Cordova, Vera Cruz). 

 Cyanociita caUfornica (not Garrulus ealifornicns Vigors) Sclater, Proc. Zool. iSoc. 



Lend., 1858, 302 (La Parada, Oaxaca); 1859, 381 (Cinco Seiiores, Oaxaca); 



Cat. Am. Birds, 1862, 143, part (in synonymy). — Sclater and Salvin, Proc. 



Zool. Soc. Lond., 1869, 362, part, excl. syn. part (Oaxaca). — Sumichrast, 



Mem. Bost. Soc. N. H., i, 1869, 554 (alpine reg. Vera Cruz). 

 [Cyanodtta^ caUfornica Sclater and Salvin, Norn. Av. Neotr., 1873, 39, part. 

 ^Iphelocoma caUfornica Salvin and Godman, Biol. Centr.-Am., Aves, i, 1887, 492, 



excl. syn. part (Mexican localities). 

 C'i;anociUa floridana var. sumichrasti Ridgway, Bull. Essex Inst., v, Dec, 1873, 



199 (Orizaba, Vera Cruz; coll. U. S. Nat. Mus.). 

 {^Cyanocitta caUfornica'] var. sumichrasti Baird, Brewer, and Ridgway, Hist. N. 



Am. Birds, ii, 1874, 283, pi. 40, fig. 2, part (Orizaba). 

 Cyanociita sumichrasti Baird, Brewer, and Ridgway, Hist, N. Am. Birds, ii, 



1874, 283, footnote. 

 Cyanocitta caUfornica var. sinnichrasti Lawrence, Bull. U. 8. Nat. Mus., no. 4, 



1876, 24 (Nacaltepec, Oaxaca). 

 {^Aj^heloconia caUfornica var. vmodhovseil d. smnichraMi Coces, Birds N. W., 1874, 



219 (synonymy). 

 Aphelocoma floridana var. sumichixisti Coves, Birds 'N.W., 1874, 219, in synonymy. 

 Aphelocoma sumichrasti Sharpe, Cat. Birds Brit. Mus., iii, 1877, 114 (Atlisco, 



Oaxaca). — Stone, Proc. Ac. Nat. Sci. Phila., 1S90, 214, part (Chalchicomula, 



Puebla, 9,000 to 10,000 ft.). 

 Alphelocoma'] sumichrasti Hidgw ay , Man. N. Am. Birds, 1887, 356. 



«The young of A. cyapMis not seen, l> Six specimens, c Five sppcimens. 



