It is almost essential for the practicing psychoanalyst to have at hand for reference some reliable book which shall give concisely all the customs, habits, and traditions of the primitive races of mankind. Since Freud pointed out, in “Totem and Taboo,” to what a very large extent the unconscious mental processes and the compulsive actions and ideas of neurotic persons are derived, with but little alteration from the beliefs of these backward peoples, we constantly find evidence of collated material within our own experience, or we believe this to be so. The conscientious analyst will not, however, be contented with a vague belief of the coincidence of dream or symptom with the customs and beliefs of the ancients or primitives, but when he wishes to verify his conjecture he is often