CONGENIAL EMPLOYMENT. 107 low-citizens, and the influence of hig friends, were sufhcicnt to protect him. At a later period he went to reside permanently at Paris, where he was employed in the congenial task of arranging the iusects in the Museum of Natural History. His zeal and talent soon rendered him the successful competitor and superior of those whom he called his masters. His slender emoluments sufficed to supply his modest wants; and he procured what was necessary to extend the limits of the science to which his labours were devoted by writing for the booksellers various works on the different branches of natural history, and also on general science. All his writings displayed intelligence and varied information; but those treating of entomology always evinced his rapid progress in this science, until at last his great work, the Genera Crustaceorum and Insectorum placed him in the first rank of the entomologists of Europe. In this he first mentioned his little insect de- liverer. Under the genus Necrobia he gives, as an Ulustration, the species called Necrobia rufi- colis; and at the end of its descriptive mark adds, “an insect very dear to me, for, in those (disastrous times when I*rance groaned tremulously under the weight of endless calamities, by the kind intervention of Bory de St Vincent and D’Argelas, but principally the latter, this little animal was the