However, in the later book "the Descent of Man" he DID apply it to humans.[[User:Alloco1|Alloco1]] 17:55, 16 March 2007 (EDT) | However, in the later book "the Descent of Man" he DID apply it to humans.[[User:Alloco1|Alloco1]] 17:55, 16 March 2007 (EDT) |