Note 12 — Chapter IX
Reading edition
Kammerer's chief paper on this subject is in Arch. f. Entwm., 1909, XXVIII, p. 447, and it is to this that the paginal references in the present text relate. His previous paper appeared, ibid., 1906, XXII, p. 48. An account of his further experiments with Alytes is given in Natur, 1909-10, Heft 6, p. 95.