SPENCER FULLERTO N BAIRD 



52S 



Photograph by Smithsonian Institution 

 FIG. 210. The Smithsonian Institution. 



Photograph by Smithsonian Institution 

 FIG. 211. The new building of the United States National Museum. j 



today one may find references to them scattered through 

 the literature of American zoology. About the same 

 time there appeared another naturalist, John Xantus, 



