BIRDS OF NORTH AND MIDDLE AMERICA. 677 



GEOTHLYPIS INCOMPTA Ridgway. 

 LESSEE ABACO YELLOW-THROAT. 



Similar to G. tanneri^ but wing and tail much shorter; the adult male 

 much duller in color, with hinder crown, occiput, and hindneck dull 

 ij-rayish olive instead of olive-g-reen, with a narrow band of pale yel- 

 lowish gray or grayish yellow behind posterior border of the black 

 mask; the back, etc., duller olive-green, and under parts paler yellow, 

 becoming whitish on lower abdomen and grayish olive on flanks. 



Adult rnale.— Length (skins), 130-131 (130.5); wing, 61-61.5 (61.2): 

 tail, 54.5-57.5 (56); exposed culmen, 15-16.5 (15.7); tarsus, 21.5-22.5 

 (22); middle toe, 14-15 (14.5).^ 



Island of Abaco, Bahamas.^ 



Geothlypis tanneri, part, Ridgway, Auk, iii, 1886, 335 (Abaco Island, Bahamas); 

 viii, 1891, 334 (Abaco). 



GEOTHLYPIS EXIGUA Ridgway. 

 ANDROS YELLOW-THROAT. 



Similar to G. iucom^fa, l)ut with shorter wing and smaller bill (the 

 latter decidedly more slender), the adult male with the back slightly 

 brighter olive-green and throat slightly brighter yellow; length (skin), 

 130; wing, 59; tail, 55.55; exposed culmen, 15; depth of bill at base, 

 4.5; tarsus, 21.5; middle toe, 13. 2. ^^ 



Andros Island, Bahamas. 



Geothlypis rostrata (not of Bryant) Northrop, Auk, viii, 1891, 68 (Andros I., 

 Bahamas).— Allen, Auk, viii, 1891,69 (Andros I.; crit.).— Cory, Cat. W. I 

 Birds, 1892, 18, 119, 127, part (Andros I.). 



Geothlypis rostratus Cory , Cat. W. I. Birds, 1892, 156, part (Andros I.). 



GEOTHLYPIS CORYI Ridgway. 

 CORY'S YELLOW-THROAT. 



Similar to G. favida, but wing and tail shorter and bill longer; 

 adult male with olive-green of upper pai'ts greener, crown less tinged 

 with gray and becoming decidedly j^ellowish along posterior margin 

 of the black frontal patch, the latter narrower (extending 8-9 mm. from 

 frontal antife). 



Adult male. — Forehead (back to about 8 to 9 mm. from frontal 

 antiffi) and side of head, including loral, orbital, auricular, and malar 

 regions, uniform black, this extending as an angular projection along 

 sides of lower throat; this black "mask" margined posteriorly by light 



'Two specimens. The adult female not seen. 



■''Type in collection of United States National Museum (no. 108495, Abaco Island, 

 Bahamas, April 6, 1886; collected by C. H. Townsend). 



^One specimen, the type, from Fresh Creek, Andros Island, Bahamas, April 24, 

 1893 (no. 5808, coll. G. S. Miller, jr.). 



