510 



Proceedings of the Royal Physical Society. 



Japan, 



ASIA. 

 Imperial University of Tokio. 



Baltimore, 



Boston, . 



Do. 

 Cambridge, Mass., 

 Chicago, . 

 Cincinnati, 

 Mexico, . 

 Newhaven, U.S., 



Do. 

 New York, 

 Ohio, 



Philadelphia, 

 Kio DE Janeiro, 

 San Francisco, 

 St Louis, . 

 Washington, . 

 Do. 



AMERICA. 



. Johns-Hopkins University Library. 



. American Academy of Arts and Sciences. 



. Society of Natural History. 



U.S., Harvard University Library. 



. Academy of Sciences. 



. Society of Natural History, 108 Broadway. 



. Ministerio de Fomento de la Republica Mexicana. 



. Academy of Arts and Sciences, Newhaven, Connecticut. 



. Yale College, Newhaven, Connecticut. 



. State Library, Albany. 



. Mechanics' Institute, 



. Academy of Natural Sciences. 



. Museu Nacional. 



. The Californian Academy of Sciences, San Francisco. 



. Academy of Sciences. 



. Smithsonian Institute. 



. Philosophical Society. 



» 



