LA REAL SOC1EDAD ESPANOLA DE H1STOR1A NATURAL 55 



Natural History Survey. 



Special Publication. 

 Davenport Academy of Sciences. 



Proceedings. 

 Department of the Interior. Weather Bureau. Manila Central Observatory. 



Annual Report. 



Bulletin. 

 Entomological Society of^Ontario. 



Annual Report. 

 Essex Institute, Salern. 



Bulletin. 

 Field Columbian Museum, Chicago. 



Publications. 

 Johns Hopkins Hospital, Baltimore. 



Bulletin. 



Johns Hopkins University Circular. 

 Missouri Botanical Garden, St.-Louis. 



Annual Report. 

 Museum of Comparative Zoology at Harvard College, Cambridge. 



Bulletin. 



Oberlin College. 



Laboratory Bulletin. 



Smithsonian Institution, U. S. National Museum, Washington. 



Bulletin. 



Contributions from the U. S. 



Miscellaneous Collection. 



National Herbarium. 



Report. 



The American Naturalist, Boston. 

 United States Department of Agriculture, Washington. 



Bulletin. 

 United States Geological Survey, Washington. 



Annual Report. 



Bulletin. 



Mineral Ressources of the United State*. 



Professional Paper. 



Water-Supply and Irrigation Paper. 

 University of Colorado, Boulder. 



Studies. 



University of the State of New York. New York State Museum. 



Annual Report. 



Bulletin. 

 Wilson Ornithological Club, Oberliu, Ohio. 



The Wilson Bulletin. 

 Wisconsin Academy of Sciences, Arts and Letres, Madison. 



Transactions. 

 Wisconsin Geological and Natural History Survey, Madison. 



Bulletin. 



