FAMILY VIREONIDAE 



223 



VIREO ALTILOQUUS ALTILOQUUS (Vieillot) 



Muscicapa altiloqua Vieillot, 1808, Hist. Nat. Ois. Amer, September, 1 (1807), 

 p. 67, pi. 38. (Jamaica, Santo Domingo, etc. ; types from St. Thomas, Virgin 

 Islands, fide Stenhouse, 1930, Novit. Zool. 35, p. 271.) 



Characters. — Back brighter olive-green than in V. a. barbatulus; 

 superciliary less pale, more grayish buff; throat duller, chest tinged 

 with pale grayish olive-green. 



Measurements.— Males (10 from Haiti), wing 73.2-87.5 (80.6), 

 tail 48.7-57.5 (54.9), culmen from base 15.5-19.2 (17.0), tarsus 17.4- 

 19.6 (18.2) mm. 



Females (10 from Haiti), wing 74.2-81.0 (77.0), tail 44.5-55.5 

 (51.2), culmen from base 14.9-18.9 ( 16.6) , tarsus 17.0-19.8 (18.3) mm. 



Accidental. This race replaces V. a. barbatulus in most of the Greater 

 Antilles and in the Virgin Islands; it winters mainly in northern South 

 America, east to Guyana and south in Amazonia to lower Rio Madeira. 

 Two specimens of this race have been collected in Panama. A male was 

 sent by McLeannan to Salvin from the "Isthmus of Panama" (Sclater 

 and Salvin, Proc. Zool. Soc. London, 1864, p. 348); it is now BMNH 

 no. 85.3.10.1. Another male was collected by Benson on August 31, 

 1926, at Guaval on the Rio Calovevora, on the Caribbean slope of Vera- 

 guas and is now in the American Museum of Natural History (no. 

 246926). 



VIREO PHILADELPHICUS (Cassin): Philadelphia Vireo, 

 Vireo de Filadelfia 



Vireosylvia philadelphica Cassin, 1851, Proc. Acad. Nat. Sci., Philadelphia, 5, p. 

 153, pi. 10, fig. 2. (Bingham's woods, near Philadelphia, Pennsylvania.) 



Small; gray crown, dull olive back; white superciliary; undersur- 

 face mostly dull light yellow. 



Description. — Length 107-122 mm. Adult (sexes alike) , crown plain 

 mouse gray; rest of upper surface grayish olive-green, slightly lighter 

 on rump; superciliary white; loral area below superciliary and spot be- 

 hind eye dusky grayish; side of face pale olive; upper throat and lower 

 abdomen whitish; rest of undersurface pale yellow, slightly deeper on 

 breast; underwing coverts whitish. 



A female taken March 1, 1962, at the head of the Rio Guabal, Code, 

 had the iris dark brown; maxilla and tip of mandible dark grayish 

 brown; tip of mandible light neutral gray; base dull white; tarsus, 

 toes, and claws dark neutral gray. 



Measurements. — Males (10 from Panama), wing 62.4-68.0 (66.3), 



