FAMILY PARULIDAE 



315 



Measurements. — Males (9 from Chiriqui and Costa Rica), wing 

 60.0-65.0 (62.6), tail 52.7-57.7 (55.1), culmen from base 10.3-12.1 

 (11.6), tarsus 20.1-21.7 (20.9) mm. 



Females (7 from Chiriqui and Costa Rica), wing 56.0-59.0 (58.4), 

 tail 48.5-54.2 (50.9) , culmen from base 10.2-12.2 (11.7, average of 6), 

 tarsus 20.2-22.2 (21.2) mm. 



Resident. Rare and local in the subtropical forests of Volcan de 

 Chiriqui and adjacent Bocas del Toro, from 1080 to 2250 m, and in the 

 mountains of Veraguas. Recorded in Chiriqui from above Palo Santo, 

 west of El Volcan, above Boquete on Alto de Chiquero, and Bajo 

 Mono, Chiriqui, and in Bocas del Toro from Camp Cylindro, at 1590 m 

 on the Holcomb Trail (Blake, Fieldiana: Zool., vol. 36, no. 5, 1958, 

 pp. 561-562). In Veraguas it is found lower, from 600 to 1200 m 

 (Ridgely, 1976, p. 303); here it has been recorded from Chitra and 

 Santa Fe, where Rex R. Benson collected 16 in 1925, and from the 

 Cordillera del Chucu, where Arce collected 2 in 1869. 



In February-March 1976 Ridgely (in litt.) found it to be common 

 in forests above the Fortuna Dam site in central Chiriqui; there it was 

 a conspicuous nuclear species of the flocks of the forest understory. 

 The birds were found from 1050 m up. 



BASILEUTERUS TRISTRIATUS TACARCUNAE Chapman 



Basileuterus tacarcunae Chapman, 1924, Amer. Mus. Novit., no. 143, p. 6. (East 

 slope, Mt. Tacarcuna, 4,600 ft., below Colombia- Panama line, Darien, Panama.) 



Characters. — Black absent from auriculars, replaced by light yel- 

 lowish olive; central crown stipe more buffy yellow and orange in the 

 center, with some feathers tipped yellowish olive. 



A male taken February 20, 1964, at Cerro Mali, Darien, had the iris 

 dark brown, maxilla and tip of mandible fuscous; base of mandible 

 dull brownish white; tarsus and toes verona brown; claws fuscous- 

 black. 



Measurements. — Males (7 from Darien), wing 59.0-62.0 (61.3), 

 tail 48.3-53.7 (52.2), culmen from base 11.0-12.3 (11.9), tarsus 19.7- 

 21.8 (20.8) mm. 



Females (6 from Darien), wing 57.6-58.9 (58.2), tail 47.5-51.6 

 (49.5), culmen from base 10.5-12.3 (11.4), tarsus 19.5-21.6 (20.1) 

 mm. 



Resident. Rare and local in forest in the highlands of eastern 

 Darien, where it has been collected on Cerro Tacarcuna and Cerro 

 Mali. It has also been collected in Colombia, around the headwaters of 

 the Rio Cuti, Choco Province. There are sight reports of what may be 



