[441]

Tr. ent. Soc. London, 1881, p. 109.

[442]

Bull. U. S. Museum, No. 45, 1893, p. 28.

[443]

Tr. ent. Soc. London, 1881, p. 117.

[444]

Tr. ent. Soc. London, 1881, pt. vi. f. 3; pp. 120, 126.

[445]

Zeitschr. wiss. Zool. xix. 1869; Ganin's observations are described by Lubbock, Origin and Metamorphoses of Insects, 1874, p. 34.