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 on the part of his own countrymen, Prof. Tyndall was indignant that Englishmen, who pride themselves upon fair play, should detract one iota from the just fame of the unfortunate foreigner. The man was unknown to him, but the rights of the discoverer and the honor of science were involved, and against the attacks of Professors Thomson, Tait, and others, Prof. Tyndall made a defence so effectual that the claims of the German philosopher will hardly be brought in question again.

Of Prof. Tyndall as an author, it is hardly necessary to speak, as his various works have been widely circulated, and the reading public is familiar with them. Yet his genius as a writer is so marked that it cannot be omitted even in the briefest sketch of his character. Among scientific writers he stands almost alone in the poetic vividness, force, and finish of his style. His descriptions and narrations are enriched by a bold and striking pictorial imagery, which presents the subject with almost the perspective and "coloring of reality." No man better understands the high office of imagination in science, or can more effectively employ it to fascinate and illuminate the minds of others. Of an ardent and poetic temperament, and at home among the grandeurs of natural phenomena, there is often an inspiration in his words that rouses and thrills our highest feelings.

Prof. Tyndall is now among us, to speak upon science in several of the chief cities of the country, and it is therefore as a lecturer that the public will be chiefly interested in him. We quote an excellent account of his characteristics as a public teacher from the October Galaxy: