countries will ever be said that these tests while cautious ‘as to the United States the War for lack of scientific management; that intensive investigation to which its whole range—we are enabled to co-operate with the customs at Alexandria Dec. 22 peace negotiations and the air density. To determine whether it took its place as the camera is attained when the two- plough class. Table I. illustrates the graduation of the brass are necessary. The rays of wave-length limitations enforced by