[321] Reaum. i. 400.

[322] Ibid.

[323] De Geer ii. 129.

[324] De Geer i. 531—. t. xxxvii. f. 13. s. Compare Reaum. ii. 396—.

[325] See above, p. [51]—.

[326] In Linn. Trans. iii. 302.

[327] Vol. III. p. [195]—.

[328] Spallanzani found that the eggs of insects placed under the exhausted receiver of an air-pump, or in any small closed vessels, did not hatch, though every other condition for their development was present. Opusc. de. Phys. i. 141.

[329] Philos. Trans. 1820. 213.

[330] Bibl. Nat. i. 204. b. t. xix. f. 5.