[51]. It appeared, I think, originally in the Bombay Journal and is reproduced in one of the leading entomological magazines.
[52]. Darwin, Origin of Species, pp. 216, 217, 218.
[53]. Rev. Farren White, Ants and their Ways, pp. 177-9.
[54]. Lubbock, Ants, Bees, and Wasps, pp. 87-9.
[55]. Rev. Farren White, Ants and their Ways, pp. 177-9.
[56]. The American Naturalist, vol. 35, No. 419.
[57]. The American Naturalist, July, 1901.
[58]. Lubbock, Ants, Bees, and Wasps, pp. 78, 79.
[59]. Janet, Etudes sur les Fourmis.
[60]. Belt, The Naturalist in Nicaragua, pp. 72, 73, 79-81.