[41] Cuv. ubi. supr. 348.

[42] Treviranus Arachnid. t. v. f. 45.

[43] Plate [XXI]. Fig. 7. 8. Swamm. Bibl. Nat. t. xliii. f. 7.

[44] Plate [XXI]. Fig. 7. 8. c.

[45] Lyonet Anat. 100.

[46] N. Dict. d'Hist. Nat. xxii. 522—.

[47] Lyonet ubi supr. t. ix. f. 1-4.

[48] Cuv. Anat. Comp. ii. 339. 343.

[49] Plate [XXI]. Fig. 7.

[50] Swamm. ubi supr. t. xl. f. 5. Cuvier (ii. 332.) accuses Swammerdam of representing the spinal marrow in this grub as producing nerves only on one side; whereas he expressly states (ii. 50. b.) that a considerable number spring on each side from the eleven ganglions, but that to avoid confusion he had omitted some.