May, 1913. 



KNOWLEDGE. 



195 



Figure 194. 



1911, October 28 d 22 h 19" 

 Longitude =58°. 



Figure 195. 



December 4 d 22 h n 

 Longitude = 87°. 



Figure 196. 



October 20" 21 h 35 m . 

 Longitude = 120°. 



Figure 197. 



October 17" 21 h 55 m . 

 Longitude = 152°. 



Figure 198. 



October 14 d 23 h n 

 Longitude=195°. 



Figure 199. 



October 14 d 21 h 30" 

 Longitude = 255°. 



Figure 200. 



November 13" 22" 45" 



Longitude = 282°. 



Figure 201. 

 November 6 d 22 h 15 m . 

 Longitude = 337°. 



Figure 202. 

 November 3" 21" 48"\ 

 Longitude = 357°. 



Observations of Mars in 1911, made by E. M. Antoniadi, F.R.A.S., with the 33-inch Refractor of the Meudon Observatory, 



magnifying 320, 540, and 810 diameters. 



(Published by kind permission o/ I'rojcssor Henri Deslandres, A.R.A.S., of the French Academy tf Sciences, Director 0/ the Astro-physical Observatory 0/ /'mis, 



situated at Meudon (S.-cl-O.), France.) 



