He was of the British colonialist class, cousin of Fracis Galton the pioneer of Eugenics. This class of bastard held a white Euro-centric view of the world where all other ethnic groups were of the lower orders. So when we consider the age and the dominant perspective of the ruling classes at this time, it's hard not to expect Darwin's theories to have been heavily influenced by it.
He was of the British colonialist class, cousin of Fracis Galton the pioneer of Eugenics. This class of bastard held a white Euro-centric view of the world where all other ethnic groups were of the lower orders. So when we consider the age and the dominant perspective of the ruling classes at this time, it's hard not to expect Darwin's theories to have been heavily influenced by it.