168 Zoologica: N. Y. Zoological Society [HI; 4 



verse superior border when seen from behind, more acute in 

 profile. Wings faintly infuscated, with light brown veins and 

 conspicuous dark brown pterostigma. Pilosity similar to that 

 of the worker but somewhat shorter, and the hairs on the funiculi 

 and legs more appressed. 



Described from specimens from a single colony found nesting 

 with larvae and cocoons in a petiole of a young Tachigalia at the 

 Penal Settlement, near Bartica, August 10. This ant is evidently 

 rare or very local, as I did not again take it in the vicinity of the 

 Tropical Laboratory. 



