Dec 1, 1885.] 



KNO\VLEDGE ♦ 



55 



rath of Jlars during the Opposition of 1BS6. 



"^"-'/".sss 



APRI-j- 1886 



/iSo 





MAD 1 -1-IB86 

 DECI TlS85 



r^ \ 





%/ 



Scale of millions of miles 



jl vcinent5 of^he Terrestrial Planets from Oct. I, 1885, to Jan. 1, 188T. 



