CONTRIBUTIONS
TO
SOLAR AND TERRESTRIAL PHYSICS.
"In knowledge, that man only is to be contemned and despised who is not in a state of transition."
"—nor is there anything more adverse to accuracy than fixity of opinion."—Faraday.
"Science must grow. Its development is as necessary, and as irresistible as the motion of the tides, or the flowing of the Gulf Stream."—Tyndall.
"The cry of science is still onward, and its goal of yesterday will ever be its starting-point to-morrow."—Dawson.