( 658 ) XX. Further notes on the synonymy of the genera of Noctuites. By Arthur G. Butler, F.L.S., F.Z.S., &c. [Eead September ovd, 1890. To some of the groups already treated of, I have a few additional notes to record ; I shall therefore take them in the order in which they now stand in the Museum cabinets. C YMATOPHOEID.E . Prometopus, Guen. 1. Prometopus inassueta. Prometopus inassueta, Guenee, Noct., i., p. 38, n. 42 (1852). BryophUa dorsivaria, Walk., Lep. Het., 15, p. 1648 (1858). Australia and Tasmania. M. Guenee placed this genus in his heterogeneous famil}^ Bomhycoidce ; it is, however, allied to Cymato-phora. NOCTUID^. OCHROPLEURA, Hilhl. In the Grote collection I found an example of 0. plecta, which is labelled, probably in error, " Valeria grotei, Morr.' It is a very remarkable thing that Ochropleura, a genus founded by one of Mr. Scudder's favourite authors, is amongst the many lepidopterous genera omitted from the ' Nomenclator Zoologicus.' Mentaxya, Hilbn.* Eugrapha, Hiibner = Ariathisa, Walk. 1. Mentaxya amatura. Agrotis amatura, Walker, Lep. Het., 15, p. 1700 (1858). ■'-This genus is extremely close to Anida, Grote, which may liave to be amalgamated with it. TRANS. ENT. SOC. LOND. 1890. PART IV. (DEC.) t2 X