[403] Ibid. t. i. f. 4, 9. t. ii. f. 15. t. ix. f. 4.

[404] See above, p. [125]—.

[405] Compare Plate [VI.] Fig. 6. with Fig. 12 c, d, d.

[406] De Geer ii. t. xxi. f. 4, 5.

[407] Swamm. Bibl. Nat. t. xiii. f. 1.

[408] Hor. Entomolog. 438.

[409] See above, Vol. II. p. [256.]

[410] De Geer ii. t. xxiii. f. 9-14. Comp. Reaum. iv. t. xv. f. 1, 2.

[411] De Geer ii. t. xiv. f. 7. &c. The caterpillar of P. G. Scratiotata L. like those of Phryganeæ, has these respiratory threads. Ibid. i. t. xxxvii. f. 2-6. De Geer has described the larva of a Phryganea L. which is without any respiratory threads, ii. 569. t. xv. f. 10.

[412] Hor. Entomolog. 401. Montagu in Linn. Trans. vii. 67.