[421]

Fabre, Marchal, Nicolas.

[422]

Zeitschr. wiss. Zool. xxx. Supp. 1878, p. 103.

[423]

Rejoinder to Professor Weismann, p. 11. Reprint from Contemporary Review, December 1893.

[424]

Mon. Brit. Phyt. Hym. 4 vols. 1882 to 1893.

[425]

Insect Life, i. 1888, p. 8.