[575] Wiedemann's Archiv. ii. 210.

[576] To those that frequent meadows and pastures (Tipula oleracea, L. &c.) they are also useful as I have before observed, as stilts, to enable them to walk over the grass. Reaum. v. Pref. i. t. iii. f. 10.

[577] 4to. iii. 36.

[578] Plate [XIV]. Fig. 6.

[579] Mr. Briggs observes that this insect appears to move all its legs at once, with wonderful rapidity, by which motion it produces a radiating vibration on the surface of the water.

[580] De Geer, iii. 314.

[581] Vol. I. [470]—

[582] Curtis Brit. Ent. t. ii.

[583] Plate [XV]. Fig. 5.

[584] Plate [II]. Fig. 2.