[750] Stoll ubi supr. t. xiii. a. f. 51.

[751] This insect, which connects Conocephalus, Acrida, &c. with Locusta, is also distinguished by antennæ at first filiform and then setaceous.

[752] De Geer iii. t. xxiv. f. 1, 12.

[753] Ibid. 176. t. xi. f. 19.

[754] Vol. II. p. [397]—.

[755] Reaum. v. 177—.

[756] Ibid. vi. 435. t. xl. f. 6, 7.

[757] Natural History of the Slug-worm, 12—. f. 12, 13.

[758] Valisn. Esperienz. &c. Musca dé Rosai. Reaum. v. 100—. De Geer ii. 916—. The last writer thought he saw in the back of the saw itself a longitudinal cavity (918), which applied to the groove would form an open canal.

[759] Plate [XVI]. Fig. 1.