April 1, 1886.] 



♦ KNOWLEDGE ♦ 



187 



JUPITEB IS 1856 (De la Eue). 



Mars is 1877 (Trouvelot). 



Great King in 187i> 



Great Spot is 1S77 



ilAES IN 1877 (.N. Green). 



Great Spot, May 17, 1SS3. Geeai Spot, Sept lu, 1383, 



