PANATHENAEA PANCREAS 179 institution, and the work to be performed by it were concerned. It did change many of the details of administration within the bureau and imposed upon it additional work.
The action of the fourth international conference, which met at Buenos Aires in 191o, further enlarged the scope of the or ganization and changed the name to that of "Pan-American Union," while the name of the organization of American countries which support the Pan-American Union was changed to "Union of American republics" instead of "International Union of the American republics"; the chief executive officer of the Union was made director general and the secretary was made assistant di rector and secretary of the governing board. The principal change made at the fifth conference, held in Santiago, Chile, in 1923, was in the organization of the governing board. It was provided that the offices of chairman and vice chairman should be elective; and also that if for any reason an American republic should not have a diplomatic representative accredited to the U.S. Govern ment that Government might appoint a special representative on the governing board.
At the sixth conference, held at Havana, Cuba, in Jan. 1928, a convention was signed, providing for the organization of the Pan-American Union; this convention, however, continues the present organization with very slight changes. The only important modification is that the Governments' representatives may either send special representatives to the governing board or designate their diplomatic representatives at Washington.