Note 42 — Chapter XVIII · ON THE ADVANTAGES AND DISADVANTAGES OF CHANGED CONDITIONS OF LIFE: STERILITY FROM VARIOUS CAUSES.
Reading edition
‘Mémoires du Muséum d’Hist. Nat.,’ tom. x. p. 314: five cases of parrots breeding in France are here recorded. See also ‘Report Brit. Assoc. Zoolog.,’ 1843.