Vol. XXVIII. pp. 139-140 June 29, 1915 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



A NEW PIGEON FROM CHIRIQUI, PANAMA. 



BY ROBERT RIDGWAY. 



[By permission of the Secretary of the Smithsonian Institution.] 



In working up the pigeons of the genus CEncenas for Part VII, 

 Bulletin 50, U. S. National Museum ("Birds of North and 

 Middle America"), the following new species was discovered. 



CEnoenas chiriquensis sp. nov. 



Type, unsexed, U. S. National Museum, No. 148,301, Chiriqui, Pana- 

 ma. Collected by E. Arce. 



Similar to CE. purpureotincta , but with longer bill, wing and tail (the 

 bill relatively more slender), color of head and neck more vinaceous, and 

 inner webs of remiges wholly grayish brown ; similar also to CE. nigriros- 

 tris but bill very much more slender, upper parts more purplish (less 

 olivaceous) brown, inner webs of remiges without cinnamomeous (wood 

 brown) tinge, and color of under parts darker. 



Adult (male ?). — Forehead and anterior portion of crown between 

 vinaceous-drab and brownish drab, passing into deep brownish drab on 

 posterior part of crown, occiput, and hindneck, the latter transversely 

 spotted (a pair of subterminal spots on each feather) with purplish vina- 

 ceous or light vinaceous-lilac; * rest of upper parts dark olive brown or 

 dark bister, passing into more purplish brown (nearly light seal brown, 

 somewhat tinged with bronzy) on rump, upper tail-coverts, and tail,t 

 the primaries darker and more grayish brown; sides of head and neck, 

 foreneck, and chest plain vinaceous-drab or deep brownish drab, passing 

 into deep vinaceous-buff or avellaneous on chin and upper throat and 

 into brownish drab on breast and more posterior under parts, the under 

 tail-coverts dark vinaceous-drab, tinged with brighter or clearer vina- 

 ceous-drab; axillars and under wing-coverts nearly concolor with breast, 

 but slightly tinged with cinnamon ; under surface (inner webs) of remiges 

 grayish brown; bill black; legs and feet pale brownish (probably red in 

 life). Wing, 153; tail, 119; culmen, 13; tarsus, 20; middle toe, 23.5 mm. 



• These spots are probably not always present, as they are an inconstant feature 

 in other forms of this genus. 



+ This purplish hue is more pronounced in freshly grown feathers, and a few such 

 occur among the posterior scapulars and proximal greater wing-coverts. 



27— Proc. Biol. Soc. Wash., Vol. XXVIII, 1915. (139) 



