586 BIRDS OF THE REPUBLIC OF PANAMA PART 3 



lores dull yellowish olive, mixed with dusky ; side of head anteriorly 

 light olive, shading to dusky posteriorly, with paler shaft lines ; chin 

 and throat grayish olive, indistinctly lined with dull white ; breast 

 and sides more olive ; rest of under surface yellowish white to yellow ; 

 under wing coverts yellowish to pale yellow ; inner margins of wing 

 feathers pale bufif. 



The species ranges from southern Mexico through Central America, 

 and South America from Peru to Guyana south to northern Argen- 

 tina. Two races are found in Panama, one of them restricted to 

 Isla Coiba. 



LEPTOPOGON AMAUROCEPHALUS FAUSTUS Bangs 



Leptopogon pileatus faustus Bangs, Auk, vol. 24, no. 3, July 1907, p. 300. 

 (Boruca, Puntarenas, Costa Rica.) 



Characters. — Brighter colored ; crown browner ; back brighter 

 olive-green ; f oreneck more olive-green ; abdomen light yellow. 



Male and female, from Pedasi, Los Santos, March 11, 1957, had 

 the iris light brownish yellow ; maxilla and anterior half of mandible 

 dusky neutral gray ; base of mandible light brownish white ; tarsus 

 fuscous ; toes neutral gray ; claws dark neutral gray. 



Measurements. — Males (10 from Los Santos, Canal Zone, and 

 northwestern Colombia), wing 60.4-65.9 (64.0), tail 50.1-55.5 

 (53.1), culmen from base 12.5-14.5 (13.9), tarsus 15.4-18.2 

 (16.4) mm. 



Females (8 from Los Santos and northwestern Colombia), wing 

 59.3-61.8 (60.6), tail 46.7-50.5 (49.1), culmen from base 13.4-14.4 

 (13.9), tarsus 14.5-16.4 (15.2) mm. 



Resident. Found irregularly in small numbers in the Tropical Zone, 

 on the Pacific slope in Chiriqui (recorded at Bugaba and San Felix), 

 Veraguas (Santa Fe, El Villano, Cerro Montuosa), Los Santos 

 (Pedasi), southern Canal Zone (Chiva Chiva, J. R. Karr), and 

 eastern sector of the Province of Panama (savanna east of Panama 

 City) ; on the Caribbean side, recorded from Calovevora, northern 

 Veraguas, and the northern Canal Zone, along the railroad at the 

 old San Pablo Station (near Frijoles). 



Records of two females in the Rothschild collection in the Ameri- 

 can Museum, taken at Bugaba, western Chiriqui, October 4 and 

 November 24, 1903, by H. J. Watson, seen not to have been reported 

 previously, so that when Mrs. M. E. McLellan Davidson collected two 

 males and two females near San Felix, eastern Chiriqui, from 

 November 28 to December 10, 1931, she recorded them as the first 

 known from that Province. Other specimens in the American 



