[34] See Lipschütz, ’19; Goldschmidt, ’23.

[35] See Selous, ’02; Huxley, 14.

[36] See Blair Bell, ’16.

[37] See Vincent, ’21; Harrow, ’23.

[38] Crew, ’23.

[39] See Rivers, ’20, chs. iv, xviii.

[>[40] Rivers, ’20, p. 158.

V PHILOSOPHIC ANTS: