486 



bulletin: museum of comparative zoology. 



Hairs yellowish; those on the upper surface of the body very long, 

 slightly curved, of uniform thickness and blunt, arranged very regu- 

 larly in pairs. On the head nearly all of them arise from the edges 

 of the frontal carinae where the insertion of each hair is a minute 

 tubercle; on the thorax the hairs are inserted along the ridges connect- 

 ing the humeral angles with the epinotal spines. The petiole bears 

 three, the postpetiole two pairs of these peculiar pairs. On the gaster 

 there are four regular equidistant rows, with about six hairs in each 



Fig. 1. — Blepharidalta braailiensis, sp. nov. a. worker, lateral view; 6, head of 

 same from above; c, mandibles, clypeus and antenna of same from the front. 



row. Each fore coxa bears a single long hair and there is a pair of hairs 

 on the gula. Legs, antennae, and terminal gastric segments with 

 numerous, short, appressed pointed hairs and the dorsal surface of 

 the gaster also with a few scattered reclinate hairs. 



Color ferruginous; antennae, legs, tip and sides of gaster somewhat 

 paler and more yellowish. 



Described from ten specimens; Cotj^je M. C. Z. 9040. 



This extraordinary ant is evidently to be placed in the tribe Attiini, 



