591 
List of Exchanges. 
Toronto. 
1. Astronomical and Physical Society. 
2. Canadian Institute. 
Winnipeg. 
1. Manitoba Historical and Scientific Society. 
CUBA. 
Habana. 
1. Real Universadad de la Habana. 
MEXICO. 
Mexico. 
1. Museo Nacional. 
2. Secretaria de Fomento, Colonizacion, e Industria. 
3. Sociedad Cientifica “Antonio Alzate.” 
4. Sociedad Farmaceutica Mexicana. 
5. Sociedad Mexicana de Geografia y Estadistica. 
6. Sociedad Mexicana de Historia Natural. 
Tacubaya. 
1. Observatorio Astronomico Nacional. 
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Toluca. 
1. InstTtuto Cientifico y Literario. 
UNITED STATES. 
Albany, N. Y. 
1. University of the State of New York. 
2. New York State Library. 
3. Museum of Natural History. 
Ames, Iowa. 
1. Iowa State College of Agriculture. 
Ann Arbor, Mich. 
1. Engineering Society of Ann Arbor. 
Auburn, Ala. 
1. Agricultural Experiment Station. 
Austin, Tex. 
1. Texas Academy of Science. 
