Under the title “Icones Insectorum Rariorum cum Nominibus courm trivialibus, locisque e C. Linnœi Arch: R: et Equ: AurL Syst: Nat: allegatis.” Charles Clerck, a member of the Royal Academy of Sciences of Upsala, commenced the publication at Stockholm, in the year 1759, of a series of plates intended to illustrate the species of exotic lepidoptera recently named by his distinguished fellow-countryman, the immortal Linnæus.