Mr. G. R. Waterhouse's Notes on the IV. Notes upon the Species of Elaterid^ in the Stephen-sian Cabinet. By G. R. Waterhouse, Esq., F.Z.S. &c. [ReadDec. 7th, 1858.] In the following list I have given, in the first column, the species' of Elateridcp, as they occur in Stephens' Manual ; and, in the second column, I have added, opposite each species, the name now commonly adopted for the same on the Continent, or a name which I think will most probably hereafter be adopted. Stephens' Cabinet, &c. Adrastus limhatus. acuminatus, Steph. Genus. Species. Adrastus (Eschsch.) limhatus, Fab. Agriotes (Eschsch.) acuminatus, Steph. — sobrinus, Kiesenvv.? This insect much resembles the Dolopius marginatus, but the joints of its antennae are shorter ; the thorax is not acutely margined at the sides, excepting on the hinder part ; and the elytra are rather shorter and more acuminated behind. Dolopius marginatus. Dolopius (E?,c\\sc\\.') marginatus, Linn. Agriotes (Yj^chsch.) spulator, Linn. obscurus, Linn. lineatuSf Linn. ustulatus, Schaller. Sericosomus (Redt.) brunncus, Linn. brunneus, Linn. brunneus, Linn. Messrs. Foxcroft and Turner, both of whom have taken Agriotes sputator. obscurus. lineatus. pilosus, Steph. Sericosomus fugax. brunnipennis. brunneus.