BIRDS OF NOETH AND MIDDLE AMERICA. 599 



1879, 506 (Remedios, prov. Antioquia, Colombia). — Zeledon, Cat. Aves do 

 Costa Eica, 1882, 8. — Beklepsoh and Taczanowski, Proc. Zool. Soc. Lond., 

 1883, 549 (Ohimbo, w. Ecuador; crit.). — Salvin and Codman, Biol. Centv.- 

 Am., Aves; i, 1885, 346 (Lion Hill, Panama R. R. ; Colombia; Ecuador). — 

 Shakpe, Cat. Birds Brit. Mus., xii, 1888, 73 (Panama and Lion Hill, Panama 

 R. R. ; Bogota and Remedios, Colombia; Balzar Mts. and Esmeraldas, w. 

 Ecuador). — Salvadori and Festa, Boll. Muh. Zool., etc., Torino, xv, 1899, 

 23 (Foreste del Rio Peripa, w. Ecuador; synonymy). 



[Chdraca'] cyanoides Sclater and S.vlvin, Nom. Av. Neotr., 1873, 27. 



Ouiraca concreta (not Cyanoloxia concreta Du Bus) Salvin, Proc. Zool. Soc. Lond., 

 1867, 141 (Santa Fe, Veragua); 1870, 189 (Calovevora, Boquete de Chitra, 

 and Bugaba, Veragua) ; (?) Ibis, 1872, 317 (Chontales, Nicaragua) . — Law- 

 rence, Ann. Lye. N. Y., ix, 1868, 102 (Turrialba and Angostura, Casta 

 Rica). — Salvin and GoDMAN, Biol. Centr.-Am., Aves, i, 1885,345, part(locali- 

 ties in Nicaragua, Costa Rica, and Panama) . — Sharpe, Cat. Birds Brit. Mus., 

 xii, 1888, 74, part (localities in Costa Rica and Veragua). — Cherrie, P^^xpl. 

 Zool. Rio Naranjo, 1893, 114. 



lOuiraca] concreta Sclater and Salvin, Nom. Av. Neotr., 1873, 27, part. 



Guiraca cyanoides cono'ekiRiOGWA-Y,- Proc. U. S. Nat. Mus., v, Sept. 5, 1882, 392 

 (La Palma, Costa Rica). — Zeledon, Anal. ilus. Nac. Costa Rica, i, 1887, 111 

 (Jimenez, Pacuare, and Rio Sucio, Costa Rica). — Chekrie, Expl. Zool. 

 Costa Rica, 1893, 28 (Boruca, Terraba, and Buenos Aires, s. Costa Rica) . 



0. luiraca] cyanoides concreta Ridgway, Man. N. Am. Birds, 1887, 446, part. 



Cyanocompsa concreta cyanescens RiDGWAY,Auk, xv, July, 1898, 229 (Panama; 

 U. S. Nat. Mus.).— Bangs, Proc. New Engl. Zool. Club, ii, 1900, 32 (Lion 

 Hill). 



CYANOCOMPSA CYANOIDES (Lafresnaye) . 



GUIANA BLUE GROSBEAK. 



About the size of G. concreta cyanetscens (but bill smaller and tarsu.s 

 slightly shorter), and having the same form of bill, but adult male Aery 

 much more brightly colored (more like that of G. cyanea), and adult 

 female and immature male much duller and less rufescent brown. i 



Admit male. — Somewhat like the adult male of G. concretcij cyanescenSy 

 but very much more brightlj' colored, the general color dull berlin 

 blue to almost cj^anine blue, brightening on forehead, superciliary 

 region, cheeks, and lesser wing-covert.'? into bright azure blue; very 

 similar in coloration to adult male of G. cyanea, but rump concolor 

 with back instead of much lighter blue, size decidedly greater, and 

 bill very different in form, being relatively longer, with straighter 

 outlines, less arched mandibular tomium, and with the culmen very 

 indistinctly, if at all, ridged. 



Aokilt female and immature male. — Raw-umber brown, paler beneath 

 (very much less rufescent than in G. c. cyanescens); bill considerably 

 smaller than in G. c. cyanescens. 



Adult male.— Length (skins), 137.16-149.86 (142.24); wing, 78.74- 



81.79(80.01); tail, 64.26-69.09(66.55); culmen (from base), 18.03-18.54 



i (18.29); depth of bill at base, 13.46-14.48 (13.97); width of mandible 



