LA REAL SOCIKDAL) ESPAÑOLA DE HISTORIA NATURAL 47 



Field Museum of Natural History, Chicago. 



Public ations. 



Rcport. 

 lowa Acadeniy of Sciences, Des Moines. 



Procecdings. 

 John Hopkins University Circular. 

 Missouri Botanical Carden, St.-Louis. 



Annals. 



Annual Report. 

 Museum of Comparative Zoology at Harvard CoUege, Cambridge. 



Animal Report. 



Ballet in. 



New- York Zoológica! Society. 



Zoológica. 

 Oberlin College. 



Lahoratorv Biilletin. 

 ■Ohio Biological Survey, Columbus. 



Bulle t i n. 

 Ohio State University Scientific Society, Columbus. 



The Ohio Journal of Science. 

 Public Museum of the City of Milwaukee. 



Annual Report. 



Bulletin. 

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



Annual Report. 



Bulletin. 



Contributions from the U. S. National Herbar ium. 



Miscellaneons Collection. 



Proceedings of the U. S. National .Museum. 



The American Naturalist, New-York. 

 The Philippine Journal of Science, Manila. 

 Tufts College, Massachussets. 



Studies. 

 United States Department of Agriculture, Washington. 



Bulletin. 

 United States Geological Survey, Washington. 



Bulletin. 



Mineral Ressources of the i'nited States-. 



Professional Paper. 



Water-Supply and Irrigation Paper. 



University of California, Berkeley. 



Publications. 

 University of Colorado, Boulder. 



Studies. 

 University of Illinois, Urbana. 



Illinois biological AíonographS. 

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



Annual Report. 



Bulletin. 



