[69] Buttel-Reepen, "Die phylogenetische Entstehung des Bienenstaates" (Biol. Centralblatt, xxiii. 1903), p. 108 in particular.
[70] Fabre, Souvenirs entomologiques, 3e série, Paris, 1890, pp. 1-69.
[71] Fabre, Souvenirs entomologiques, 1re série, Paris, 3e édition, Paris, 1894, pp. 93 ff.
[72] Fabre, Nouveaux souvenirs entomologiques, Paris, 1882, pp. 14 ff.
[73] Peckham, Wasps, Solitary and Social, Westminster, 1905, pp. 28 ff.
[74] See, in particular, among recent works, Bethe, "Dürfen wir den Ameisen und Bienen psychische Qualitäten zuschreiben?" (Arch. f. d. ges. Physiologie, 1898), and Forel, "Un Aperçu de psychologie comparée" (Année psychologique, 1895).
[75] Matière et mémoire, chaps. ii. and iii.
[76] "Le Paralogisme psycho-physiologique" (Revue de métaphysique, Nov. 1904).
[77] A geologist whom we have already had occasion to cite, N.S. Shaler, well says that "when we come to man, it seems as if we find the ancient subjection of mind to body abolished, and the intellectual parts develop with an extraordinary rapidity, the structure of the body remaining identical in essentials" (Shaler, The Interpretation of Nature, Boston, 1899, p. 187).