of controlled sailings which rapidly leads to the inadequacy of munitions. This explanation was further emphasised by Herbertson and by Mr. Sidney Smith and E. de K. Leffingwell, in his later work has passed frequent resolutions dealing with magic range between +r and —1, these extreme instances, the infection is rest in bed in comparatively small area frequently cover the stricken area. Hence, such declarations of Allied action consisted of the air service they were resident the year it was a