306 BRAZILIAN ORTHOPTERA 



valuable for affinities as those becoming evident in numerous 

 groups of birds, when studied from that point of view. 



The range of this species extends from British Guiana south 

 to central Amazonia (Manaos), east to the eastern part of the 

 State of Para (Igarape-Assu). 

 Schistocerca pallens (Thunberg) 



1815. G[ryllu4 pallens Thunberg, Mem. Acad. Imp. Sci. St. Potersb., v, p. 

 237. [No locality.) 



Peixe Boi, east of Para, Para. November to December, 



1907. (H. B. Merrill.) One female. 

 Natal, Rio Grande do Norte. (W. M. Mann.) One male, 

 two females. 

 These specimens have the tegmina more pantherine maculate 

 than material of this species from the Greater Antilles and Mexico, 

 in this respect resembling individuals from Barbados. The 

 general size is less than in the other material seen. 



The range of the species extends from eastern Mexico and the 

 Greater Antilles, south to the Uruguay River and northern Ar- 

 gentina, east to Natal, Brazil, and west in South America to the 

 eastern slopes of the Andes in Peru. 



