BIRDS OP NORTH AND MIDDLE AMERICA. 431 



66. Tail with lateral rectrices extensively white distally; under tail-coverts white. 

 c. Foreneck and chest gray. (Southeastern Brazil.) 



Claravis godefrida, adult male (extralimital)." 

 cc. Foreneck and chest deep chocolate. (Southern Mexico to Venezuela and 



Peru.) Claravis mondetoura, adult male (p. 435). 



aa. Upper parts brown. (Adult females and young .) 

 6. Lateral rectrices without white tips; under tail-coverts cinnamon or cinnamon- 

 brown Claravis pretiosa, adult female and young (p. 431) . 



66. Lateral rectrices broadly tipped with white, light grayish brown, or light cinna- 

 mon; under tail-coverts buffy. 

 c. Lateral rectrices tipped with light cinnamon or cinnamon-buff, the middle 

 portion purplish brown; wing-bands grayish buffy; wing 122 mm. 



Claravis godefrida, adult female and young (extralimital). 

 cc. Lateral rectrices tipped with white to pale grayish brown, the middle 

 portion dark purple; wing-bands grayish brown; wing 110-118 mm. 



Claravis mondetoura, adult female and young (p. 435). 



CLARAVIS PRETIOSA (Ferrari-Perez). 



BLUE GROUND DOVE. 



Adult male. — General color plain bluish gray, the upper parts 

 between dark gull gray and slate-gray, darkest (nearer slate-gray) on 

 back, fading into pale gull gray to nearly pure white on forehead, the 

 under parts much paler gray (gull gray to pale gull gray), deepening 

 into deep to dark gull gray on under tail-coverts and posterior flanks, 

 fading into white on chin and upper throat; wing-coverts and inner- 

 most secondaries with a greater or less number of black spots, mostly 

 roundish or transversely oval in form, but those on greater coverts 

 much larger and more in form of broad transverse bars; alulse, 

 primary coverts, primaries, and distal secondaries dusky (dull dark 

 neutral gray), the last more or less broadly edged with light bluish 

 gray; tail black, the middle pair of rectrices concolor with back, 

 etc., sometimes darker distally; axillars and under wing-coverts 

 light bluish gray; bill (in life) grayish green or grayish olive-green, 

 usually more yellowish terminally and darker on culmen; bare 

 orbital space pale grayish olive-green; iris red or pink to yellow; 

 legs and feet flesh color; length (skins), 182-230 (207); wing, 107.5- 

 118 (112.3); tail, 70-82.5 (76.2); exposed culmen, 12.5-15.5 (14); 

 tarsus, 16.5-19.5 (18.1); middle toe,. 17-20 (18). 6 



Adult female. — General color of upper parts light olive-brown or 

 deep buffy brown to deep cinnamon-brown or prouts brown, becoming 



a Columba godefrida Temminck, Les Pigeons, i, fam. seconde, 1808-11, 125 

 (Brazil; coll. Paris Mus.). — C[olumbd] godefrida Temminck, Les Pigeons, i, 1808-11, 

 Table, p. ii. — Columba geoffroyi Temminck, Les Pigeons, i, fam. seconde, 1808-11, 

 pi. 57 (name on plate only). — Peristera geoffroyi Gray, List Gallinse Brit. Mus., 1844, 

 16; Salvadori, Cat. Birds Brit. Mus., xxi, 1893, 494. — P[eristera] geoffroyi Reichenbach, 

 Vollst. Naturg., Columbariae, i, 1861, 24, pi. 266, figs. 2870, 2871 ( $ ), pi. 257, fig. 1430 

 (9). — Chamaepelia geoffroyi Hartlaub, Syst. Verz., 1844, 91. — Columba geofroii 

 Temminck, Hist. Nat. Pigeons et Gallin., i, 1813, 297 (Brazil).— Peristera trifasciata 

 Reichenbach, Syn. Av., 1847, fig. 1430 (Brazil; =female). 



& Thirty-six specimens. 



