Note {211} — Chapter I · ON THE VARIATION OF ORGANIC BEINGS UNDER DOMESTICATION; AND ON THE PRINCIPLES OF SELECTION
Reading edition
«Note in the original.» “Isidore G. St Hilaire insists that breeding in captivity essential element. Schleiden on alkalies. «See Var. under Dom., Ed. ii. vol. II. p. 244, note 10.» What is it in domestication which causes variation?”