BIKDS OF NORTH AND MIDDLE AMERICA. 



305 



Isthmus of Panama northward to eastern Costa Rica (Talamanca). 



mCyanocomx- plleatm (not Corrun pileatm Temminck) Cassix, Proc. Ac. Nat. 

 Sci Phila 1860 1:^8 (Rio Truando and Nerciia, n. w. Colombia)." 



XJrokucapUeaia\.^^^^^^, Ann. Lye. N. Y., vii. 1862, 296 (Famuna R. RO- 



Cyanocorax affinls (not of Pelzeln) Sclater and Sa. vix, I^'oc. /ool. i^<>^;-_Lond 

 1864, 354 (Panan.a R. R.).-Salvin, Proc. Zool. Soc. Lond., 1«'0 191 

 (Calobre and Bnj^aba, Veragaa).-SnAKPK, Cat. Birds Brit. Miis. u, 18/7, 

 1-n part (Chepo, Isthnius of Panama).— Salvix and Godmax, Biol. ( entr.- 

 Am' \ve« i 1887, 504, part (Costa Rica; Veragua; Isthmus of Panama). - 

 Zeledon, Cai. Avesde Costa Rica, 1882, 10; Anal. Mus. Nac. Costa Rica i, 

 1887, 113 (Talamanca).-SA..VAi.oKi, Boll. Mus. Zuol., etc., Torino, xiv, 1899, 

 5 (near Pita, Isthmus of Panama). ^ 



iCyanocorax-] affuu. Sci.ater an.l Salvix, Nom. Av. ^eotr., 18..i, 3.., part 



CyJ^^^hm zdedonl Ridowav, Auk, xvi, July, l^^^, 255 (Talanuuica^C.«ta 

 Rica; coll. U. S. Nat. Mus.).— Bangs, Auk, xvui, 1901, 368 (Duala, 

 Chiriqui). 



Genus XANTHOURA Bonaparte. 



Xanthoura Boxaparte, Consp. Av., i, May 6, 1850, 380 (Type, Corvus nemvianm 



Gmelin, = C. 9/Hm.sBoddaert.) 

 Xa^^Mra (emendation) Boxaparti, Proc. Zool. Soc. Lond., ISoO (pub. Mai. 



14, 1851), 83. ^ ... 



Xan^M^a Cabaxis, Mus. Hein., i, Oct., 1851, 223 (ex. Bonaparte, manuscnpt) 

 {Type, Chrnuu>rrunanasGnwy\n, = ('.ynmsBo(\daert.) 



Rath.M-'sm'all (iarrulins^, allied to the o-enus Cyanocora.r, ))ut distin- 

 guished hv smuHer size (win^ U^ss than 139.5, usually less than 127 

 mm.) and dilierent coloration; upper parts (except ot head and neck 

 but includino- four middle rectrices) uniform green; under parts ot 

 body and four lateral pairs of rectrices yellow (under parts ot body 

 sometimes light green); chin, throat, chest, lores, and auric-ular region 

 black; prefrontal plumes and malar patch (sometmies p.lcum and h.nd- 

 neck also) blue; forehead more or less white or ycdlowish white (this 

 sometimes exteuding over pileum and hindneck). 



\;.7;r/n>f;on.-^(^^t m small trees or bushes, open above, eoniposed 

 of^honiy twigs, etc. Eggs, 3-5, grayish, greenish, or butty white, 

 speckled with grayish brown, etc-. 



^,,„,^,..__Southern Texas to Peru and Venezuela. ( I wo spec.es.) 



key to the SPECIKS ANl. SIBSPECIES OK XAXTIIOIRA. 



a ^„ot« oil cveli.ls .leep blue, like malar patch; breast unicolorcd ( yellow or green). 



;.'SL:^;nnll plumes much developed, conspicuously erect, or else wb-le pUeum 



and hindneck whitish. '' ( Aa»^//o>n-aj/my>^id subspecie^^ 



"TThisref;r^;;;;';;;;>^^^ 



that the reference lielongs here. 



''Tlie two characters often ccmibined. 

 'All extralimital (Soutli American). 

 1038^— VOL 3—03 20 



