[120] Mechanisch-Physiologische Theorie der Abstammungslehre. See especially pp. 132, and 340 sqq.
[121] Darwinism To-day, p. 278.
[122] p. 49.
Ζεύς ἐστιν αἰθὴρ, Ζεὺς δὲ γῆ, Ζεὺς δ’ οὐρανὸς,
Ζεύς τοι τὰ πάντα, χὥτι τῶνδ' ὑπέρτερον.
Frag., 295.
[124] Walt Whitman, ‘The Answerer.’
[125] Data of Ethics, 29.