OPPOSITION OF MARS, 1849-60, 



Remarks. 



Thf night mimy ; ilnr of comparison carcrly visible. A 7. 



Results. 



Mean of etmmoiiwtrr IIIIH>. 



Mare 



ManB. P. B. 7.593.15 



>N.P. B.Z.M.18 



Seven comparUonf . . . 

 Common ofchrononiiiirr 



Seven compariftoni . 



