FAMILY TYRANNIDAE 



535 



Measurements. — Males ( 10 from Darien, San Bias, and north- 

 western Colombia), wing 34.5-37.7 (35.7), tail 12.7-15.7 (14.3), 

 culmen from base 10.5-12.3 (11.6), tarsus 12.1-13.5 (12.8) mm. 



Females (5 from Costa Rica, Province of Panama, Darien, and 

 Colombia), wing 33.5-35.2 (34.4), tail 13.8-14.3 (14.0), culmen 

 from base 10.9-11.6 (11.3), tarsus 12.5-13.7 (12.9) mm. 



Resident. Uncommon, in forested areas in the Tropical Zone ; on 

 the Pacific slope in Darien, from the Rio Tuira Valley to Jaque ; on 

 the Caribbean side recorded from Bocas del Toro, northern Veraguas, 



Figure 45. — Black-capped pygmy-tyrant, moscareta pigmea gorranegra, 

 Perissotriccus atricapillus. 



lower Chagres Valley in the northern Canal Zone, adjacent Province 

 of Panama, and eastern San Bias. 



The first record for Panama is one in the American Museum of 

 Natural History, collected by R. R. Benson at Guaval in eastern 

 Bocas del Toro, near the upper Rio Calovevora. Another, a male in 

 the Havemeyer collection in the Peabody Museum at Yale, was taken 

 by Austin Smith, May 16, 1927, near Zegla, a village at the junction 

 of the Rio Teribe and the Rio Changuinola, in the lowlands of 

 western Bocas del Toro (reported by Griscom, through misunder- 

 standing, as from Almirante). While the bird was not identified in 



