/ WHEELER: ANTS COLLECTED IN TRINIDAD. 327 
arching broad scrobes for the antennae dorsal to the eyes, which are 
small but otherwise well developed. Ocelli absent. There is a short, 
sharp longitudinal carina ventral to the insertion of each antenna and a 
small acute tooth at each lateral corner of the gula near the lateral 
insertion of the mandible. Ocelli absent. Frontal area represented 
by a smooth, transverse region in the sculpture of the head; frontal 
groove represented by a raised line extending back to the vertex. 
Antennae, robust, 6-jointed. Thorax, petiole, postpetiole, and gaster 
much as in Strumigenys. Spongiform appendages well developed on 
the petiole, postpetiole, and base of gaster. Head coarsely sculptured. 
Squamiform or clavate hairs absent, but both the body and appendages 
covered with long, soft, dense, pointed hairs. 
45. Codiomyrmex thaxtert, sp. nov. (Fig. 1). 
Worker. Length nearly 2 mm. 
Mandibles very convex dorsally and laterally, somewhat narrowed 
Fig. 1. Codiomyrmex thazteri, sp. nov. Body of worker in profile; head of same 
from above. 
at their insertions, their straight apical margins furnished with numer- 
ous, crowded, acute, and equal teeth. Head subtriangular, a little 
