600 PROCEEDINGS OF THE NATIONAL MUSEUM vol. los The following pages are intended as a supplement to Hyslop's paper to bring together these corrections and additions, as well as to add fiu'ther corrections. There are a number of minor typographic mis-takes in Hyslop's paper which I have not listed below, and in a few cases he gives incorrect dates which are obvious to anyone using the catalog (i. e,, Linnaeus "1857," etc.) and which have not been corrected here. With these exceptions, it is thought that this list is correct to and including part of 1952. New names As a result of this study, three new names are necessary to replace others which are shown to be unavailable. Malloea new subgenus. Type: Ctenicera {Malloea) sjaelandica (Miiller) { = Elat€r sjae-landicus Miiller), Fauna Insectorum Fridrichsdalina, p. 21, 1764. (Here designated.) Note: This subgenus of Ctenicera mcludes those species grouped under the subgeneric name Actenicerus Kiesenwetter in the Cole-opterorum Catalogus (Schenkling, 1927, pt. 88, pp. 368-370, 1927) and the species described by Kiesenwetter under the name Actenicerus-The name Actenicerus Kiesenwetter, 1857 (Naturgeschichte der Insecten Deutschlands, vol. 4, p. 285), is not available because it is a junior synonym of Prosternon. Corymbites tessellatus Germar, (Zeitschr. Ent., vol. 4, p. 62, 1843), which Kiesenwetter gives as the onl}'^ included species in his subgenus Actenicerus, is referred back to Elater tessellatus Linnaeus (Systema Naturae, ed. 10, p. 406, 1758), a species which is now included in the genus Prosternon Latreille, 1834. The Elater tessellatus of Fabricius (Systema Entomologiae, p. 211, 1775), which Kiesenwetter redescribed and misdetermined as Corymbites tessellatus Germar, is Elater sjaelandicus Miiller, 1764, and not E. tessellatus Linnaeus, 1758. (Malloea is the name of a town in Thessaly and is feminine.) Dido, new genus. Type: Dido macrocera (Castelnau) {=Tetralobus macrocerus Oastelnau, Revue Entomologique, vol. 4, p. 12, 1836). (Here designated.) Note: This genus includes only the genotype, a species found in Madagascar, and belongs to the subtribe Dicrepidiina. Both Candeze (Catalogue Methodiqiie des Elaterides, p. 49, 1891) and Schenlding (Coleopterorum Catalogus, pt. 88, p. 74, 1927) used the generic name Coresus for T. macrocerus Castelnau. However, Gemminger and Harold (Catalogus Coleopterorum, vol. 5, p. 1509, 1869) validated the Dejean name Coresus (MS) as a synonym of Piezophyllus Hope,
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