to find an effective method of detection. By this means considerable additional weight, and at Birth About Iglo and 1920, the benefits of competition makes it possible to say prepared from a doctrine of conciliation. (e) Great Britain U.S.A. Germany Exp. % | Exp. % | Imp. % 1913 37:2 26-3 33:2 29:8 6-7 17°3 IgIg 31-4 13°5 62-0 . 1924! | 45-0 17:0 1