Family Papilionidæ

All the species as a rule.

d. Thoracic sternal, evaginable glands.

Family Perophoridæ

Lacosoma chirodota, Perophora melsheimerii.

Family Nolidæ

In three, and probably in all the species of Nola.

e. Lateral, abdominal, non-eversible glands, one near each spiracle, emitting a clear fluid.

Family Tenthredinidæ

Cræsus septentrionalis, C. varus, Cimbex americana, C. betulæ, Trichiosoma.