3LeaC)ers in Science 



LOUIS AGASSIZ 



HIS LIFE AND WORK 



CHARLES FREDERICK HOLDER, LL.D. 



AUTHOR OF " THE LIFE OF CHARLES DARWIN," " LIVING LIGHTS," ELEMENTS OF 

 ZOOLOGY," ''MARVELS OF ANIMAL LIFE," THE IVORY KING," 

 *' ALONG THE FLORIDA REEF," ETC., ETC. 



G. P. PUTNAM'S SONS 



NEW YORK LONDON 

 27 WEST TWENTY-THIRD STREET 24 BEDFORD STREET, STRAND 



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1893 



