Packard places the Hymenoptera at the head of the Class Insecta, on account of the completeness of their transformations and the perfection of their instincts. This is also the position assigned to this Order by Dana. Packard ranks the Bees (Apidæ) at the head of the Hymenoptera, thus placing them at the very summit of the insect creation.

This species first came under my notice four years ago. I have met with it every year since, have raised it from the larva, and have taken the perfect insect at Honeysuckle. I find a drawing of S. eremitus in No. 13 of Strecker's Work on the Lepidoptera, and an account of the larva written by Prof. Snow, of Kansas.

The following circular in reference to the Hessian Fly has been issued from the office of the U. S. Entomological Commission. The subject is a most important one, and fearing it might not otherwise reach all our readers, we present it here.

From Mr. L. Heiligbrodt I have received a specimen of X. purpurea, and it agrees in all respects with the female of micans. Accompanying this was a male, evidently of the same species.