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“asa On the remarkable Appearances at the Polar Regions of the 
Planet Mars, the Inclination of its Axts, the Pofition of its 
Poles, and its fpheroidical Figure; with a few Hints relating 
to its real Diameter and Aimnofphere. By William Herfchel, 
Eff. F.RTS. 
Read March 11, 1784. 
Ww I have to offer on the fubject of the remarkable 
appearances at the polar regions of Mars, as well as 
what relates to the inclination of the axis, the pofition of the 
poles, andthe fpheroidical figure of that planet, is founded on 
a feries of obfervations which I {hall deliver in this paper; and 
Vor, LXXIYV. Ii | after 
