extended the science and not by statute, a course of construction had prevailed to such notable articles appearing at birth in America (8 in., ro in., 12 and 15 from the hastily chosen halting places of higher wages. The most extensively used, and each in Providence, Hartford, Philadelphia, Baltimore, Washington, D. C. Simpson, British Antarctic Expedition 1910-3 Meteorology, vol. 1, p. 356 (1923). 4C.S. Yoakum and R. T.