[1681] From πνυμι to breathe and σέγω to cover.

[1682] Plates [VIII.] [IX.] n´.

[1683] At first I had named this piece the antecosta, and the mesostethium the postcosta; and there is certainly some analogy between the thorax of insects, consisting of several pieces that follow each other, and the vertebral column; between their three sternums and the sternum, and between their other pieces and the ribs of vertebrate animals. Comp. Chabrier, ubi supr. c. iv. 49. note 1.

[1684] Plates [VIII.] [IX.] o´.

[1685] Plate [VIII.] Fig. 12. 13. o´. z´.

[1686] [Ibid.] Fig. 17. o´.

[1687] Plate [IX.] Fig. 8. o´. z´.

[1688] [Ibid.] o´.

[1689] Plate [IX.] Fig. 8. a.

[1690] [Ibid.] Fig. 12. o´.