( 
300 On the Physical Appearance of the Planet Mars during the Upposition in 1881. 
orange-grey ; south prec., one very bright round spot. There is apparently an 
interruption in the “ hour-glass.” Its northern point seems to be disconnected 
from the dark northern spot preceding it. Is this latter spot in communication 
with the dark bay in the preceding border of the “‘hour-glass ?” 
January 9. 
No, Galys Wy, Ios On 7", 
Very clear; definition sometimes very good. 
The dark spots in north and south blue, the other markings deep orange or 
orange-grey ; north pole and the south edge of the dark sf. spot very bright ; 
markings on the disc-centre not easy, yet at moments quite distinct. 
January 17. 
ING AI = BIOS, = SP I: 
Very clear; definition very good. 
The southern spots and the dark np. one blue, the other markings—the spot 
north of the “eye” imcluded—deep orange. There seem to be some lighter islands 
in the large southern sea; general appearance as in sketch ; the dark canals some 
times very distinct. 
January 23. 
NO, Q2—lh= BAG, ILO HAF 
Clear, but not quite steady ; drawing difficult. 
Spots blue and orange; disc rather pale; north pole (np.) very bright. All the 
southern spots perhaps somewhat too much south, 
