so intimate is the intermingling of bodily and psychic traits that not only can we draw far-reaching inferences as to the constitution of the psyche from the constitution of the body, but we can also infer from psychic peculiarities the corresponding bodily characteristics. It is true that the latter process is more difficult; but this is surely not because there is a greater influence of the body over the mind than vice versa, but for quite another reason. In taking the mind as our starting-point we work our way from the relatively unknown to the known;
