.186

Thorny. Mouth with two teeth; four feelers. Stem mata three. Wings deflected. Tail of the finale fur Bashed with a bristle that turns back.

5th. Order, Ifymenoptera, contains the follow
ping Genera:

1. ynips.   Gall-fly.

Mouth with jaws, but no proboscis. fiercer, or sting, spiral, mostly concealed within the body.

Tent hredo..   Saw-fly.

Antenna differing. Wings extended, swelled, or inflated. Jaws, but no proboscis. Scutellum, with two distant granioles Sting serrated, between two valves,

3. Sirex.   Tailed Wasp.

Antennas filiform, with more than twenty-four joints. Mouth with two strong jaws. Feelers two, truncated. Sting rigid, serrated, projected. Abdomen united to the thorax.

4. Ic/in'eu.mon,   Ichneumon.

Antennn with more than thirty joints. Mouth with jaws, no tongue. Abdomen generally joined to the body by a sort of foot-stalk. Fiercer, or sting, within .Jivalve sheath.

i. Sp.h.ex