686 INDEX. 



Page. 



Ytterbium, discovery of 239 



Ytter earth, discovery of 239 



Z. 



Zinin, discoveries by 330 



Zenith telescope, invention of 102 



Zoological Park, additions to 58 



animal houses in 57 



animals born in 64 



appropriation for xliv, 6, 25 



financial statement of xxxvi 



history of, by Dr. Baker 77 



importance of 23 



list of animals in 60 



donations to 62 



new bridge in 25 



buildings needed in 24 



roadways in 25, 56 



Secretary's report on 22 



Superintendent's report on 56 



vivarium needed in 25 



parks, private, description of. 59 



stations, value of 487 



study in France in 1794 510 



Zoology, Miall on study of ' 485 



since Darwin 75, 76 



Smithsonian work in 78 



Zuni Indians, researches among 34 



