( 133 ) IX. Notes on the Butterflies described by Linnceus. By W. F. KiRBY. [Eead 21st March, 1870.] The appearance of Mr. Butler's valuable and long-expected " Catalogue of Lepidoptera described by Fabricius, in the Collection of the British Museum/' has suggested to me that a list of the species described by Linnaeus, with notes on the typical figures, would also be useful. The works of Linnseus which I intend to quote, are the 11th edition of the Systema Naturae (1760), which is a reprint of the 10th edition (1758); the Fauna Suecica, ed. 2 (1761) ; the Museum Ulricas (1764); the Systema Naturee, ed. 12, part 2 (1767), the lawful commencement of our nomenclature ; and the Mantissa Plantarum (1771), the appendix to which contains some insects. I shall also quote the species described by Johansson and Sparrman in the Amoenitates Academicte, most of which were taken up by Linnaeus in his subsequent works. For the sake of brevity, special reference will not always be given in full to each successive work. I must remark, that the value of the figures quoted by Linneeus as illustrating his species, is usually very slight; and that much discrimination and great care is requisite to apply them properly, or they will lead us astray in almost every instance, excepting only those in which the Linnean description itself is taken from the figure quoted. In the following notes, figures quoted with doubt by Linngeus will generally not be noticed; figures verified by myself will be marked with an asterisk; and the modern genus will be added to the name of each species, except to those of the typical Papilio. When I have been unable to verify doubtful references for myself, or if difierences of opinion exist, the authorities for the references are pointed out. References are not quoted for European species, except in special cases. The Linnean descriptions, as a rule, are not hard to comprehend, when you have the insect to which they refer before you ; and I have no doubt that, with a little trouble, any Entomologist with a good collection before him, could easily identify most of those which I have been unable to determine. TRANS. ENT. SOC. 1870. PART II. (jUNE.)
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