OFFICERSOF THEBOARD OF TRUSTEES.WM. PEPPER, M. D., LL.D.,President.CHARLES H. CRAMP,Vice-President.SYDNEY L. WRIGHT,Treasurer.WILLIAM M. WATTS,Secretary.OFFICERS OF THE MUSEUM.WILLIAM P. WILSON, Sc.D.,Director.WILLIAM HARPER,Chief of the Bureau of Information.C. A. GREEN,Assistant Chief of the Bureau of Information.WILFRED H. SCHOFF,Foreign Secretary of the Bureau of Information.GUSTAVE NIEDERLEIN,Chief of the Scientific Department.WM. B. MARSHALL,Curator of Natural Products.LOUIS J. MATOS,Chief of Laboratories.