AN IMPRACTICABLE IDEA. 95 given, full of natural feeling, and pleasing from the bonkommie and simple earnestness of the writer. M. Adanson’s subsequent career was very characteristic of the man. He published, besides his voyages, the “Natural History of Senegal,” and a valuable work on “The Families of Plants,” and would in all probability have done much more by his publications in aid of natural science had he not adopted an impracticable idea—that of producing a general Encyclopedia, a gigantic com- pendium of Universal Science. His arrangements and propositions were regarded as chimerical by his associate savants, and proved futile. He con- tinued, however, incessantly engaged in amassing materials for its execution, and he drained himself of all his resources in its prosecution. Firmly convinced that he should eventually accomplish this chef deuvre, he needed no other occupation or source of enjoyment. Had he listened to the voice of ambition or worldly interest, he might have speedily heaped to himself riches and honours, Lhe English Government having, in 1760, taken possession of Senegal, sought eagerly to obtain his advice and instructions relative to the best methods of cultivating the natural productions of that region; and so highly were his scientific merits appreciated, that the Emperor of Austria, the Em- press Catherine of Russia, and the King of Spain,