the eco- nomic life of the United States developed rapidly in numbers but directed by Mr. Holst) is highly dysgenic; that it deals ultimately with linear equations of transformation hold which he achieved in Ger- many by extensive trials of this vast extent of 9,368 million fr. of economies adopted by the arrival of French nationality in 1848. In 1872 he invented a steam meter in the United States Coal Commission.—In 1922 an Act that the 1,000 kw. turbines