5. Atta dissimilis ^HNS, N. S.

About 1 - 10 th of an inch long, head oblong, rounded; eyes moderate, antennas suddenly thickening at the last joint, thorax very slightly grooved, abdominal pedicles narrow above, both equally raised, first rather more conic than the second; abdomen long oval, colour blackish throughout. I have only found this Ant in small numbers on trees in Malabar,