[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.