BIRDS OF NORTH AND MIDDLE AMERICA. 7 



Euphonia cyaneidorsalis Dubois, Rev. et Mag. de Zool., xi, 1859, 49, pi. 2 



(Guatemala; type last).^ 

 Euphonia cyanodorsalis Jakdine, Ibis, 1860, 103 (crit. ). — Sclater, Cat. Birds 



Brit. Mus. xi, 1886, 53, footnote. 

 {^Euphonia] cyanodorsalis Gray, Hand-list, ii, 1870, 79, no. 7163. 

 A\_crocompsa'] cyanodorsalis Cabanis, Journ. fiir Orn., ix, March, 1861, 89, in text. 

 C{hlorop}ionia'\ cyanodorsalis Sclater and Salvin, Exotic Orn., pt. vi, April, 1868, 



83, 84, in text. 

 Chloroph\onia'] cyanodorsalis Dubois, Ibis, 1881, 179, in text (crit.; considers it an 



accidental variety of C. occipitalis). 

 Chlorophonia cyanodorsalis Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 



255. 



CHLOROPHONIA CALLOPHRYS (Cabanis). 

 COSTA RICAN CHLOROPHONIA. 



A(kilt male. — Forehead and broad superciliary stripe (extending to 

 sides of occiput) bright yellow (gamboge or rich chrome), the forehead 

 sometimes tingec' or mixed with yellowish green; anterior portion of 

 crown yellowish green; rest of crown, with occiput, clear campanula 

 blue, forming a large oblong or oval patch; hindneck azure blue, 

 becoming more turquoise blue below, where sending off lateral branches 

 across posterior margin of sides of neck; rest of head and neck, with 

 ( best, uniform bright yellowish green, the eyelids tinged with blue; 

 whole breast, abdomen, anal region, and under tail-coverts bright 

 yellow (lemon or gamboge), the yellow of the breast separated from 

 the green of the chest by a semicircular narrow band of brownish black 

 tinged with chestnut; sides and flanks uniform bright yellowish green; 

 back, scapulars, rump, upper tail-coverts, wings, and tail plain bright 

 yellowish grass green, the primaries blackish, edged with green; bill 

 grayish brown or horn color basally, blackish terminally; legs and 

 feet light horn color (in dried skins); length (skins), 133.4-135.9 (134.6); 

 wing, 76.2-79.2 (77.5); tail, 43.2-46.7 (45.5); exposed culmen, 9.1-9.7 

 (9.4); depth of bill at base, 5.8-6.4 (6.1); tarsus, 18.3-19.1 (18.5); 

 middle toe, 13.2-13.5 (13.2).' 



Adult female. — Similar to adult male but with forehead and super- 

 ciliary region j^reen instead of yellow; occipital patch slightly darker 

 blue; blue of hindneck mixed with green; breast green instead of yellow, 

 and yellow of abdomen, etc., paler and less sharply defined against 

 green of sides and flanks; length (skins), 121.9-138.4 (130.8); wing, 

 72.4-74.9 (73.4); tail, 40.6-42.9 (41.7); exposed culmen, 9.7-10.2 (9.7); 

 depth of bill at base, 6.4-7.1 {Q.Q); tarsus, 17.8-18.8 (18.3); middle 

 toe, 13.2.' 



Immature male and female. — Similar to the adult female, but colors 

 duller, and without any blue on pileum or neck, or with onl}" scattered 

 blue feathers. 



^See Sclater, Cat. Birds Brit. Mus., xi, 1886, 53, footnote. 

 ^ Five specimens. 



