...the central parts of the disk that the colour is most marked. If indeed the colour be produced by the planet's atmosphere, it must be referred to peculiar...support from the photometric observations of Seidel and Zollner, some of the results of which I will briefly state. These observations show that Mars resembles...

...most marked. He regards all the evidence as supporting the opinion that the planet's distinctive color has its origin in the material of which some parts of its surface are 66 67 composed. Sir. Lockyer's observation, that the color в most intenso when the planet's atmosphere...

...the central parts of the disc that the colour is most marked. If indeed the colour be produced by the planet's atmosphere, it must be referred to peculiar...support from the photometric observations of Seidel and Zollner, some of the results of which I will briefly state. These observations show that Mars resembles...

...central parts of the disc that the colour is most marked. I f indeed the colour be produced by the planet's atmosphere, it must be referred to peculiar...of an interpretation in accordance with this view. APPEND, u.) ATMOSP11FJIK OF M.IRS. 2 GO This opinion appears to receive support from the photometric...

...the central parts of the disc that the colour is most marked. If indeed the colour be produced by the planet's atmosphere, it must be referred to peculiar...of an interpretation in accordance with this view. APPEND, B.] ATMOSPHERE OF MAES. , 269 This opinion appears to receive support from the photometric...

...planet's atmosphere, it must be referred to peculiar conditions of it which exist only in connection with particular portions of the planetary surface....interpretation in accordance with this view. This diagram of the ] iitli of Mars indicates the change of the position of the planet from October, 1868,...

...the central parts of the disc that the colour is most marked. If indeed the colour be produced by the planet's atmosphere, it must be referred to peculiar...support from the photometric observations of Seidel and Zollner, some of the results of which I will briefly state. These observations show that Mars resembles...

...planet's atmosphere, it must be referred to peculiar conditions of it which exist only in connection with particular portions of the planetary surface....support from the photometric observations of Seidel and Zollner, some of the results of which I will briefly state. These observations show that Mars resembles...

...planetary surface. The evidence we possess at present appears to support the opinion that the planet-s distinctive colour has its origin in the material...which some parts of its surface are composed. Mr. Lockyer-s observation, lhat the colour is most intense when the planet-s atmosphere is free from clouds,...

...planet's atmosphere, it must be referred to peculiar conditions of it which exist only in connection with particular portions of the planetary surface....of an interpretation in accordance with this view." The peculiar physical features of Mars are excellently delineated in the three series of drawings,...