164 



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



FIG. 16. AZTEC A FOVEICEPS SP. NOV. 

 worker, lateral view ; 6, head from above : c, head of female. 



Body and appendages covered with rather long, grayish, 

 appressed pubescence, not sufficiently dense to obscure the 

 shining surface ; hairs yellow^ish, erect, rather short, abundant on 

 the thorax, sparser on the head and gaster, short on the appen- 

 dages. 



Piceous black ; borders of gastric segments paler ; mandibles 

 red; tarsal joints 2-5 and sides of clypeus yellowish brown; 

 antennae dark brown, their tips blackish, their insertions and the 

 mouth yellowish. 



Female. Length 4.5-4.8 mm. 



Head decidedly longer and more nearly oblong than in the 

 worker, about one and one-half times as long as broad, the sides 

 straight and parallel, narrowed only near the clypeus. Eyes 

 large, feebly convex, their distance from the anterior corners of 

 the head less than half their length. Antenna! scapes reaching 



