[430] Ibid.

[431] Many other insects that live by suction have something similar, as the honey-bag of butterflies, Plate [XXX]. Fig. 10, 11. a. Ramdohr t. xviii. f. 2. with t. xix. f. 1-3. and xxi. 1, 3, &c.

[432] Ramdohr Anat. 11—.

[433] Plate [XXI]. Fig. 3. d.

[434] Ramdohr Ibid. 28—.

[435] Herold (Schmetterl. 24) says that Ramdohr is mistaken here, and denies the existence of this juice in insects; but as Ramdohr's researches were so widely extended, he is most likely to be right.

[436] Ramdohr Ibid. 29.

[437] Ibid. 31.

[438] Ibid. 28.

[439] Anat. Comp. iv. 135. Comp. Dr. Kidd in Philos. Trans. 1825. 223. t. xv. f. 6, 7.