BIRD LIFE IN THE UEUBAMBA VAULEY OF PERU. 107 



true luteoviridis and, furthermore, in being larger; wing, 69.5; tail, 57; 

 culm en, 12 mm. 



Above Torontoy, 3; Cedrobamba, 1. 



This form is apparently a Temperate Zone representative of 

 Basileuterus luteoviridis signatus which occurs on the same mountains 

 in the Subtropical Zone. Its zonal relations are presumably with 

 " MyiotJdypis^' striaticeps from Maraynioc in the humid Temperate 

 Zone east of the Junin region. 



(3665) BASILEUTERUS LUTEOVIRIDIS SIGNATUS Berlepsch and Stolzmann. 



Basileuterus signatus Berlepsch and Stolzmann, Ornis, 1906, p. 74 (Idma, 

 Peru). 



Inhabits the Subtropical Zone. Having apparently but a single 

 specimen from Peru and several from Bolivia, the dcscribers of this 

 race apparently either based their diagnosis chiefly on the Bolivian 

 birds or else their Peruvian specimen was not representative. Twelve 

 specimens from near the type locality in Peru and five from the same 

 zone (Subtropical) in Bolivia, have the blackish forehead and lines 

 on the side of the crown bordering the yellow supcrciliaries which 

 form the principal characters of this race. It is shown in only two 

 of the Peruvian birds, and then but faintly, while it is present in all 

 five of the Bolivian birds. Should additional material confirm this 

 difference it may be necessary to restrict the name signatus to the 

 Peruvian bird which, aside from the character mentioned, is dis- 

 tinguished from true luteovindis only by its smaller size, and give a 

 new name to the Bolivian form. Four males from San Miguel Bridge 

 measure: Wing, 59-61; tail, 54-60 mm. 



I have not seen " Myiotlilypis" euoplirys Sclater and Salvin, of the 

 same region in Bolivia whence come the specimens I have referred 

 to signatus. It is evidently closely related to and perhaps identical 

 with that form. 



San Miguel Bridge, 4 males, 2 females; Torontoy, 2 males, 4 

 females. 



(3669) BASILEUTERUS TKISTKIATUS (Tscliudi). 



Myiodioctes tristriatus Tschudi, Arch, fiir Naturg., 1844, p. 283 (San Pedro, Peru). 



Inhabits the Subtropical Zone. 

 Idma, 4. 



(3674) BASILEUTERUS CORONATUS (Tschudi). 



Myiodioctes coronatus Tschudi, Arch, fiir Naturg., 1844, vol. 1, p. 283 (Peru). 

 Basileuterus coronatus Berlepsch and Stolzmann, Ornis, 1906, p. 75 (Idma). 



Inhabits the Subtropical Zone. 



Idma, 4; San Miguel Bridge, 4; near Torontoy, 1. 



