of Pscudomijrma and Tetraponera. 63 



the second nearly twace as wide ; abdomen oblong, its apex 

 with a number of long hairs. 



Hab. — Barbadoes. The type in the British Museum. 



44. Pscudomyrma IcBviceps. 



Worker. — Length 1^ line. Black, with the head before 

 the insertion of the antennjB, the mandibles, antennas, pro- 

 thorax, and nodes of the peduncle of the abdomen, pale 

 ferruginous ; the legs dark rufo-piceous, with the tarsi 

 and tips of the femora pale rufo-testaceous ; the anterior 

 legs palest. The head very smooth and shining ; oblong- 

 quadrate ; the eyes large, extending nearly to the base 

 of the mandibles. Thorax half the width of the head 

 anteriorly, narrowed to the apex of the metathorax ; the 

 petiole short ; the first node oblong and narrow, the second 

 transverse, posteriorly ridged, convex in front of the 

 ridge ; abdomen oblong, heart-shaped. 



Hab. — Para. Type in the British Museum. 



45. Pseudomyrma distincta. 



Worker. — Length 2 lines. Pale testaceous-yellow, 

 with the head and metathorax black and shining. Head 

 oblong, naiTOwed behind the eyes, which are large and 

 ovate ; the antennas, mandibles, and anterior margin of the 

 face, pale testaceous, the mandibles almost white. Thorax 

 about the same length as the head, narrowed posteriorly; 

 the anterior and intermediate coxre and femora black. 

 Abdomen oblong-ovate ; the first node petiolate and 

 clavate, the second subglobose. 



Hab. — Mexico. 



46. Pseudomyrma briinnea. 



Worker. — Length 1^ line. Dark brown, the abdomen 

 nearly black. The head large, oblong-quadrate, widest 

 anteriorly; the eyes large, ovate, and a little more than 

 half the length of the head ; mandiljles pale yellow. 

 Thorax about the same length as the head; the prothorax 

 rounded, the mctatliorax short, oblique posteriorly. Abdo- 

 men smooth and shinhig, oblong-cordate, pointed at the 

 apex; each node Avith a short petiole, the second trans- 

 verse. 



Hab. — Mexico. 



