[73] Bibl. Nat. Ed. Hill. ii. 138.

[74] Œuvr. v. 283—.

[75] N. Dict. d'Hist. Nat. xx. 355.

[76] Leeuwenhoek discovered in the incipient fœtus of a sheep, not larger than the eighth part of a pea, all the principal parts of the future animal. Arc. Nat. I. ii. 165, 173.

[77] Bonnet, Œuvr. v. 284.

[78] N. Dict. d'Hist. Nat. xx. 352.

[79] Select Works by Hoole, i. 132. The fact is confirmed by M. L. Dufour, who, having opened the abdomen of a female scorpion, found in the midst of some eggs nearly mature a little scorpion a quarter of an inch long; it lay without motion, with its tail folded under the body. N. Dict. d'Hist. Nat. xxx. 426.

[80] Reaum. iv. 425—.

[81] Ibid. 428—. t. xxix. f. 10, 11.

[82] Busch, a German author, affirms that many Cimicidæ are subject to this law. Schneid. i. 206.