As an agriculturist and horse-breeder, Monboddo was quite aware of the significance of selective breeding and even transferred this breeding theory to communications he had with James Boswell in Boswell's selection of a mate. Monboddo has stated in his own works that degenerative qualities can be inherited by successive generations and that by selective choice of mates, creatures can improve the next generation in a biological sense. This suggests that Monboddo understood the role of natural processes in evolution; artificial selection was the starting-point for many of the proto-evolutionary thinkers, and for Darwin himself.