210 
Psyche 
[Vol. 92 
0.5mm 
I 1 
Fig. 3. Eocenidris crassa, holotype worker: A, oblique-dorsal view of head and 
part of body; B, left mandible and part of clypeus, full-face view; C, left mandible 
with masticatory border facing observer, revealing the row of vertical bristles on the 
inner surface. 
petiole or postpetiole and possesses more uniform and numerous 
mandibular teeth (6 as opposed to 4 in Oxyepoecus). It also bears a 
general resemblance to some of the New World species of Erebo- 
myrma (eidmanni, longi, nevermanni, and urichi), including its 
possession of stiff bristles along the inner mandibular surface and 
incrassate femora and tibia. It is easily distinguished from these 
