118PTOLEJIY versus COPERNICUS .Fig . XXXni.—Tne Copernican Theory othe Solar System,Orbit of Neptu-nj,'arucst °ftlu- P( c~-\ 0 xH°LThe »Su.rb- LChe Earth.Orbit of.Mercury"/'• Orbit of/ Veivus"called Ellipses, two specimens of which, of different degrees ofovalness, are shown in the following diagram, Fig . XXXIV.