Exchanges. 91 



St. Leonards — Eeport of the Hastings and St. Leonards Natural 



History Society. 1917-18. 

 Torquay — Journal of Torquay Natural History Society. 

 Toronto — Transactions of the Royal Canadian Institute. 

 Upsala — Bulletin of the Geological Institution of Upsala 



University. 

 Washington — Annual Report of the Smithsonian Institution. 

 ,, Annual Report of the United States National 



Museum. 

 ,, Bulletins of the Bureau of American Ethnology. 



,, Bulletins of the Smithsonian Institution. 



„ Contributions from the United States National 



Herbarium. 

 ,, Proceedings of the United States National Museum. 



,, Smithsonian Institution Miscellaneous Collections. 



., Year Book of the United States Department of 



Agriculture. 1918. 



