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Rh all its articles are in an excellent state of preservation. To every case is affixed a description, according to the Linnean system; of the object which it contains; and the different genera of the same species are instructively classed in progressive order, instead of being confusedly mixed together as I have remarked in other collections. The assemblage of insects of the papilio tribe is extremely numerous, and many of them of the first degree of rarity. On the whole; however; this museum is very inferior to the Leverian collection which is exhibited in London.

The institution of Peter Teyler Vander Hulst in this city; though I have no prediliction for the' subject which it principally patronises, deserves to be noticed. Peter Teyler was a rich merchant of Haerlem, who, without having displayed in his lifetime any attachment to science, bequeathed dt his death the whole of his fortune for the propagation of knowledge and the relief of the poor. A more magnificent donation has