FAMILY PIPRIDAE 353 



Paya, $ ; old Tacarcuna village site, 2i$, ? ; lower slopes of Cerro Pirre, 

 2^, 4$ ; Jaque, $. 

 Schiffornis tnrdinus roscnbergi. Colombia — Serrania de Baudo, 2c? ; Novita 

 Trail, c? ; Buena Vista, $; Barbacoas, $. Ecuador— Alamor, cS ; Lita, S, $; 

 Chimbo, (S; Esmeraldas, ^, ?; Paramba c?; Cachyjacu, c?, $. 



SAPAYOA AENIGMA Hartert: Broad-billed Manakin, 

 Verdon de Montana 



Figure 33 



Sapayoa aenigma Hartert, Nov. Zool., vol. 10, April 20, 1903, p. 117. (Rio 

 Sapayo = Rio Zapallo Grande, northern Ecuador. ) 



Rather small ; olive-green above ; greenish yellow below ; male 

 with a concealed yellow streak in the crown ; otherwise unmarked. 



Description. — Length 135-150 mm. Adult male, olive-green on 

 upper surface ; a broad longitudinal streak of yellow in center of 

 crown, with the feathers tipped and edged with olive-green so that 

 the brighter color is nearly or wholly concealed ; wings and tail dusky, 

 edged with yellowish green and olive-green ; under surface, includ- 

 ing under tail coverts, yellowish centrally, with side and flanks 

 washed with olive. 



Female somewhat duller, without a crown patch. 



A male taken on Cerro Pirre, February 1, 1961, had the iris reddish 

 brown ; maxilla black ; mandible neutral gray ; upper half of tarsus 

 fuscous ; lower half and toes neutral gray. 



A female, at Armila, San Bias, March 3, 1963, had the iris auburn ; 

 tarsus and toes dark neutral gray ; claws black ; inside of mouth 

 and tongue honey yellow. 



Measurements. — Males (10 from eastern Province of Panama, 

 Darien, and San Bias), wing 80.0-83.8 (82.1), tail 56.1-61.0 (58.4), 

 culmen from base 16.8-18.3 (17.3), tarsus 14.0-15.2 (14.4) mm. 



Females (10 from eastern Province of Panama, Darien, San Bias, 

 and Choco, Colombia), wing 77.4-83.1 (80.3), tail 54.5-59.0 (57.0), 

 culmen from base 15.3-18.7 (16.7), tarsus 14.2-15.2 (14.7) mm. 



Resident. Found locally in forested areas in the Tropical Zone 

 from the northern Canal Zone (Gamboa), and the lower Chagres 

 Valley eastward in Colon and San Bias to Colombia, and from the 

 Cerro Azul through Darien ; to 1370 meters on Cerro Pirre in the 

 lower edge of the Subtropical Zone. 



The first specimens known from the Republic were a male and 

 a female collected by E. A. Goldman on Cerro Pirre, Darien, near 

 the head of the Rio Limon, on April 29 and May 2, 1912. Four males 



