142 WILLIAM MORTON WHEELER. 



portions of femora black ; wings black, except their apical third which is 

 hyaline ; nervures and stigma black. 



Mandibles very smooth and shining, covered with coarse piligerous 

 punctures irregularly interspersed with much smaller punctures. Middle 

 portion of clypeus smooth and shining, finely and irregularly punctate ; 

 outer portions grossly punctate except laterally where they are very coarsely 

 longitudinally rugose. Frontal area subopaque. Head opaque, very 

 coarsely and evenly longitudinally rugose, the spaces between the rugse 



FIG. 3. a. Erebomyrma Longii sp. nov. Female. />. Worker drawn under the 

 same magnification. 



being faintly and confluently foveolate. In the antennal fovea? the rugse 

 are beautifully concentric, on the front and sides of the head they are lon- 

 gitudinal, but in the region of the ocelli diverge and separate into two sys- 

 tems, passing to the posterior angles of the head. On the occiput the 

 space between the diverging series is filled by a transverse series of rugas. 

 Antennal scape rugose and very coarsely punctate, or foveolate. Thorax 

 largely opaque, pronotum and neck more densely reticulate and longitudi- 



