OPPOSITION OF MARS, 1851-62, 



Remarks. 



No nner nlftal, better Image*, or more MtUfactory work >ince tho comrnrnrcment of the aerie*. The aimiwphcrc li a> iteady u the earth iteelf. 

 Bo clear It It, that not only I* the companion iccn distinctly under lull illumination, but evcu Hi blue color U perceptible. 



