W.G. Runciman on the tendency of human societies to form varieties
W.G. Runciman, 5 June 1986
“... by Carr-Saunders in 1922 and then 40 years later, in relation to animal populations, by Wynne-Edwards. Carr-Saunders’s claim that ‘those groups practising the most advantageous customs will have an advantage in the constant struggle between adjacent groups over those that practise less advantageous customs’ is valid only because it is indeed ... ”