[5] Introduction to the Modern Classification of Insects, p. 17.

[6] Linnean Transactions, 1863—"On the Development of Chloëon."

[7] The figures on the first four plates are principally borrowed from Mr. Westwood’s excellent “Introduction to the Modern Classification of Insects.”

[8] “Sur la Domestication des Clavigers par les Fourmis.” Bull. de la Soc. d’Anthropologie de Paris, 1868, p. 315.

[9] Westwood’s Introduction, vol. i. p. 36.

[10] Westwood’s Introduction, vol. ii. p. 52.

[11] Die Fortpflanzung und Entwickelung der Pupiparen. Von Dr. R. Leuckart. Halle. 1848.

[12] Ann. des Sci. Nat., sér. 4, tome vii. See also Natural History Review, April 1862.

[13] Ann. and Mag. of Nat. Hist. 1852.

[14] Zeits. für Wiss. Zool. 1869.