THEIR RESULT. 133 of that same all-perfect Being, deeply-rooted in hig heart, struggled hard to persuade him that God alone, and not His creatures, was worthy of his researches, love, and attention.” Who can wonder, after reading this truly sur- prising account of Swammerdam’s labours, that his health was irreparably injured, and that his mental powers were enteebled? His temperament was constitutionally of a melancholy cast, and he had unhappily adopted the mystical views taught by A. Bourignon. He conceived that it was his duty to allow his mind no other occupation than that of abstract devotion, and determined that he would consecrate his thoughts entirely to the love and adoration of the great Creator, to whose honour alone, he publicly declared, he had commenced and prosecuted his many and great labours in the cultivation of natural history, from which he now entirely desisted, in order to devote all the little uncertain portion of life that remained to the solemn exercises of de- votion. In order to procure himself a competent income, he next resolved to sell his museum, which was now become of great value, but could find no pur- chaser. In this dilemma he applied to his former friend M. Thevénot, hoping that, by his interven- tion, the Grand Duke of Tuscany might be induced