[256]

This diagnosis is an attempt to express in something approaching an exact manner the distinction of the flattened from the arched or convex head.

[257]

Scrobes are the depressions in which the antennae are inserted.

[258]

There are unfortunately a few exceptions in the case of this character.

[259]

See Pungur, Termes. Füzetek, 1877, p. 223.

[260]

Brunner, Verh. zool.-bot. Ges. Wien, xxiv. 1874, p. 288.