Note 22 — Chapter XVII · ON THE GOOD EFFECTS OF CROSSING, AND ON THE EVIL EFFECTS OF CLOSE INTERBREEDING.
Reading edition
‘Journal of Royal Agricult. Soc. of England,’ 1846, vol. vii. p. 205.
Reading edition
‘Journal of Royal Agricult. Soc. of England,’ 1846, vol. vii. p. 205.