Note 274 — Chapter XIV · ANIMAL DISPLAY
Reading edition
Cf. about the relation between sexual ripening and the development of the vocal organs, Buffon, Hist. nat. des oiseaux, i. pp. 21, 22.
Reading edition
Cf. about the relation between sexual ripening and the development of the vocal organs, Buffon, Hist. nat. des oiseaux, i. pp. 21, 22.