84 



♦ KNOWLEDGE ♦ 



[Jan. 1, 1886. 



Fig. iJ. Equal-Suifaoe Ciuut o£ 3-Jl,198 Stars (frcm Argelr.r.drrs series of 40 large charts). 



ic r. Kaual-Suvfacc Clmrt of Northern Stars vi.siblc to tl.e luikcl eye. Fig. S. E-jual-i^urfacc Clmrt of Soutl.eni ,Slar.. visible to the naked eye 



