Note 191 — Chapter II · A HUMAN PAIRING SEASON IN PRIMITIVE TIMES
Reading edition
Müller, loc. cit. pp. 2, 86, 104. I myself know of a canary that laid eggs as early as March.
Reading edition
Müller, loc. cit. pp. 2, 86, 104. I myself know of a canary that laid eggs as early as March.