BIRDS OF NORTH AND MIDDLE AMERICA. 599 



1879, 506 (Remedies, prov. Antioquia, Colombia). — Zeledox, Cat. Aves de 

 Costa Rica, 1882, 8. — Berlepsch and Taczanowski, Proc. Zool. Soc. Lend., 

 1883, 549 (Chimbo, w. Ecuador; crit). — Salvin and Godman, Biol. Centr.- 

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

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

 R. R. ; Bogota and Remedio^^, Colombia; Balzar Mts. and Esmeraldas, w. 

 Ecuador). — Salvadori and Festa, Boll. Mus. Zool., etc., Torino, xv, 189t, 

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



{Gkiiracal cyanoides Sclater and Salvin, Nom. Av. Neotr., 1873, 27. 



Guiraca conn-eta (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, Costa 

 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, Expl. 

 Zool. Rio Naranjo, 1893, 114. 



[(rttiraca] concreta Sclater and Salvin, Nom. Av. Neotr., 1873, 27, part. 



Guiraca cyanoides concreta Ridgway, Proc. TJ. S. Nat. _Mus., v, Sept. 5, 1882, 392 

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

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

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



G. guiraca] 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 C. eonc/'tfa cyancacens (but bill smaller and tarsus 

 slightl}' shorter), and having the same form of bill, but adult male very 

 much more ]:)rightly colored (more like that of C. eyanea)^ and adult 

 female and immature male much duller and less rufescent ))rown. 



Adidt ///(<7t^ ^Somewhat like the adult male of C. concreta cyanescens^ 

 but ver}' much more bright!}^ colored, the general color dull berlin 

 blue to almost cvanine blue, brightening on forehead, superciliary 

 region, cheeks, and lesser wing-coverts into ])right azure blue; very 

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

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

 bill ver^' different in form, being relatively longer, with straighter 

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

 indistinctly, if at all. ridged. 



Ad >df female and iinjnaturt nadt. — Raw^-umber brown, paler beneath 

 (very much less rufescent than in C c. cyanexcois): Ijill considerably 

 smaller than in C. c. cyanc-^ccn.s. 



Adult male.— L>ength (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 

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



