XV. 
America — continued. 
Academy of Natural Sciences, Philadelphia. 
American Association for International Conciliation. 
University of California. 
University of Nebraska. 
University of Minnesota. 
University of Illinois. 
Missouri Botanic Gardens. 
John Crerar Library, Chicago. 
Lloyd Library, Cincinnati. 
Cuerpo de Tngenieros de Minas del Peru, Lima. 
