greenish hue. Observations extending over long periods swer, unaided except by the testimony afforded by analogy and low is changed. Careful observations, therefore, indicate, have demonstrated that the relative position of these divi- by deductions from theory, based perhaps on evidence main- with… … the excretion of earthy phosphates while it is asserted on one hand THE HEMISPHERES OF MARS. was increased instead of dimin- that, with reasonable certainty, the Thus, being considered as physical peculiarities, | ished. He accounts for this on the hypothesis that, when planet may be assumed as the…
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