[61]. Journal of the Trinidad Field Club, No. 3.

[62]. As quoted in The American Naturalist for November, 1900.

[63]. The American Naturalist, November, 1900.

[64]. Belt, The Naturalist in Nicaragua, pp. 27, 28.

[65]. Lubbock, Ants, Bees, and Wasps.

[66]. The greatest being speedy extinction.

[67]. Darwin, The Descent of Man, p. 54.

[68]. The Agricultural Gazette of New South Wales, March, 1900.

[69]. Leland O. Howard, The Insect Book.

[70]. The Malay Archipelago.