19. Polyrhachis affinis ^HNS. B.M.

Worker. Length 2 1/4 lines.-Black: clothed with pale golden pubescence. Thorax: a very stout acute spine at each angle of the anterior margin of the thorax; the mesothorax convex above, the sides swollen; the metathorax with two divergent stout acute spines; the scale of the abdomen quadrate, with two long, rather slender spines above, which curve backwards over the abdomen; the legs without spines or pubescence, the calcaria pale testaceous.

Hab. Burmah.

This species is very like P. dives ^HNS from Singapore, but differs principally in the form of the mesothorax.