Nalure, fuiie 5, 1884] 



Ziltel (K. A.), Beitrage zur Geologic der Libyschen Wiiste, 



121 

 Zodiacal Light, G. M. Whipple, 453 

 ;,oological Reports of Challenger Voyage, vol.-. v., vi., vii., 



F. B. White, 29 

 Zoological Gardens, Additions to, 15, 45, 64, 88, H2, 135, 159, 



1S5, 201, 226, 246, 272, 296, 3:7, 345, 367, 390, 415, 437, 



461, 489, 536, 558, 584, 606 

 Zoological Gardens, Dr. Anderson's Guide to the Calcutta, 



426 



Zoological Society, 119, 191, 253, 302, 445, 469, 541, 566; 

 Mr. Beddard, the New Prosector of the, 294 



Zoological Results of the Work of the United States Fish Com- 

 mission in 1S83, Ralph S. Tarr, 407 



Zoolog)' and Botany of Alaska, 362 



Zoo'.ogy, a Problem in Mathematical, Protection by Mimicry, 

 Capt. T. Blakiston and Thomas Alexander, 405 



Zoology of the Rio Negro, 451 



Zygnemacea;, on the Reproduction of the, A. W. Bennett, 

 142 



