390 Annals of the Carnegie Museum. 



as some point in southern Chiriqui, probably to the Volcan de Chi- 

 riqui, while the present species is a southern form, coming up from 

 Panama into Costa Rica, probably as far as Irazu, but being more 

 abundant in the mountains of southern Costa Rica. Both birds occur 

 together on the Volcan de Chiriqui. Its habits are apparently the 

 same as those of the preceding species. 



Family COLUMBID^. 



Key to the Costa Rican Species. 

 a. Under tail-coverts white or largely white (never with black malar stripe). 

 b. Rectrices more or less broadly tipped with white. 



c. Chin and upper portion of throat white or ashy-white. 



d. Lower throat and chest rich chestnut-maroon ; upper parts slaty-blue. 



Claravis mondetoura, $ . 



dd. No chestnut-maroon on throat or chest, light slaty-blue or pale drab. 



e. Whole of pileum and hind-neck slaty-blue ; belly and flanks 



white. Leptotila phwibeiceps, $ & 9 . 



ee. Hinderpart of pileum and nape olive-brown, like back ; only 



center of belly white. Leptotila cassinivinaceiventris, $, 9 • 



cc. Chin and upper throat not white, nearly or quite concolorous with chest. 



d. Tail long and pointed ; inner secondaries and tertials spotted with 



black. • Zenaidura carolinensis, $ & 9 • 



dd. Tail normal, slightly rounded; no black spots on tertials or 



secondaries. 



e. Outer wing-coverts and secondaries broadly edged with white, 



forming a prominent white wing-patch. 



Melopelia asiatica, <J & 9 • 

 ee. No white on wings ; chest buffy-vinaceous, breast buffy-ochra- 

 ceous ; back and wings grayish olive-brown. 



Leptotila verreauxi, $ & 9 . 

 bb. No white on rectrices. 



c. Tail ashy-blue or chestnut-brown. 



d. Tail chestnut; breast and belly creamy-white ; interscapular region 

 violet-purple ; back and wings purplish-chestnut. 



Geotrygon albiventer, $ . 



dd. Tail ashy-blue; crown and nape metallic-green; mantle and chest 



reddish-vinaceous; rump slaty-blue. Columba rufina, $ & 9. 



cc. Tail sooty-black; feathers of hind neck, breast, and fore-neck edged 



with metallic-green and purple, with white or cinnamon centers 



exposed ; back and wing-coverts chestnut-purple. Columba speciosa. 



aa. Under tail-coverts not white (tipped with grayish-white in Columba albilinea 



crissalis). 



b. Size small (wing not more than 100 mm.). 



c. Feathers of chest and fore-neck with partly concealed dusky centers. 



Chcemepelia passerina neglecta. 



