[2181] Philos. Trans. 1818. t. xxii.

[2182] N. Dict. d'Hist. Nat. ii. 275—. Hoole's Leeuwenh. i. t. ii. f. 19. I.

[2183] Leeuwenh. Epist. 17. Octobr. 1687. f. 10. C.

[2184] Hoole's Leeuwenh. i. t. v. f. 12, 13.

[2185] Treviranus, Arach. 4.

[2186] Treviranus, ubi supr. 14.

[2187] In my specimen including the first joint there are twenty, and some seem to have been broken off. In Rœmer's figure (Genera, t. xxix. f. 11.) there are only ten. Perhaps they vary in number according to the age of the animal.

[2188] Plate [XV.] Fig. 13, 16, 17.

[2189] See above, p. [391]—.

[2190] I have heard it stated upon good authority that 40,000 species of insects are already known, as preserved in collections. How great, then, must be the number existing in this whole globe!