7 th, Cryptocerus ^HNS,

also with a sting, 2 knots in the abdominal pedicle, head very large and flattened, with a cleft on each side to lodge part of the antennae. (Peculiar to South America.)

St. Fargeau in the 1 st volume on the Hymenopteres in the Suites a Buffon divides the Ants thus: