482 Bulletin American Museum of Natural History. [Vol. XXXVI, 



than those from Chiriqui and Costa Rica (wing, 56; as compared with 

 62 mm.), a difference to which Hellmayr {I. c.) has already called attention. 

 Alto Bonito, 5; Bagado, 5; Andagueda, 1; Juntas de Taman£, 1; 

 Novita, 5; Noanama, 1; San Jose, 4; Buenaventura, 1; Barbacoas, 6; 

 Puerto Valdivia, 5. 



(3128) Pipra coronata S'pix. 



Pipra coronata Spix, Av. Bras., II, 1825, p. 5, pi. vii, fig. l("in sylvis fl. Amar 

 zonum"). 



Found in the Tropical Zone at the base of the Eastern Andes. Eight 

 males differ from a large series of old "Napo" skins in being blacker and in 

 having less violaceous wash, particularly on the rump. It is probable, 

 however, that these differences are due to the difference in the age of the 

 skins. 



Florencia, 15; La Morelia, 12. 



(3138) Cirrhipipra filicauda (Spix). 



Pipra fiUcauda Spix, Av. Bras., II, 1825, p. 6, pi. viii, figs. 1, 2 ("ad pagum St. 

 Pauli in sylvis fl. SoUmoens"). 



A pair from La Morelia and an adult male from Florencia. 

 La Morelia, 2; Florencia, 1. 



(3141) Machseropterus striolatus (Bonap.). 



Pipra striolata Bonap., P. Z. S., 1837, p. 122 (w. Brazil). 



Machceropterus striolatus Scl. & Salv., P. Z. S., 1879, p. 517 (Medellin; Remedios; 

 Nech^). 



Doubtless distributed throughout the humid Tropical Zone. While 

 obviously a representative of M. reguliis of southeastern Brazil the ranges 

 of the two birds are not known to be connected and their intergradation 

 is problematical. 



Alto Bonito, 1; Puerto Valdivia, 2; La Frijolera, 1; w. of Honda, 1; 

 Florencia, 5; La Morelia, 1. 



(3143) Allocopterus deliciosus (Scl). 



Pipra deliciosa Sol., P. Z. S., 1860, p. 90 (Nanegal, Ecuador). 



Found only in the southern part of the Western Andes where it ranges 

 as low as 1200 ft. Five males agree with three others from Nanegal (type- 



