CONTENTS. 



GALILEO GALILEI 1 



SiK ISAAC NEWTON . -. 28 



CARL LINN.EUS 49 



ON CUVIEB 65 



SIR WILLIAM AND CAROLINE HERSCHEI 81 



-ALEXANDER VON HUMBOLDT 107 



^-iSiR HUMPHREY DAVY ....< 139 



7 JOHN JAMES AUDUBON 167 



^SAMUEL FINLEY BREKSE MOUSE 20ii 



^^SiR CHARLES LYELI 246 



<* JOSEPH HENRY, LL.D 275 



Louis AGASSIZ 302 



RLES EGBERT DARWIN 347 



FRANCIS TREVELYAN BUCKLANO 39<5 



