_Upper Side._ Antennæ setaceous. Thorax and abdomen grey. Anterior wings light-coloured, almost grey, the middle having some dark spots on them, and a few dark streaks near the tips. Posterior wings darker coloured, without spots. _Under Side._ Palpi, breast, and abdomen grey. Anterior wings coloured as on the upper, immaculate. Posterior wings lighter-coloured than on the upper side. Margins of the wings entire. NOCTUA? HESIONE. Plate XXII. fig. 2. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Noctuidæ, _Steph._ GENUS. NOCTUA? _Auct._ (SUBGENUS: ----?) NOCTUA? HESIONE. Alis anticis brunneis strigâ longitudinali subcostali luteâ, fasciâque transversali dilutâ, strigis undulatis nigris marginatis, angulis posticis productis; posticis fulvis margine latè nigro. (Expans. Alar. 2 unc.) SYN. Phalæna (Noctua) Hesione, _Drury_, _App. vol._ 3. HABITAT: Brazil, "Rio Janeiro, Mr. Bonifas, 1775" (_Drury's_ MSS.). _Upper Side._ Antennæ brown and setaceous. Thorax clay-coloured. Abdomen reddish. Anterior wings reddish-brown, with two darker bands crossing them; the anterior edges pale clay-coloured; a {31}small narrow clay-coloured line rises near the posterior edges close to the shoulders, and extends in a circular manner to the anterior edges: the lower corners of these wings are remarkably prominent. Posterior wings deep yellow, deeply bordered from the upper to the abdominal corners, with black. _Under Side._ Palpi orange, remarkably long. Tongue spiral. Legs, breast and abdomen clay-coloured. Anterior wings dark-brown as on the upper side, the anterior edges yellow. Posterior wings paler yellow than on the upper side, and the black border not so distinct. Margins of the wings entire. This insect is evidently the type of a distinct genus from any hitherto described, especially distinguished by the lively colours of the wings, the produced posterior angle of the anterior pair, and the form of the palpi. ENDROMIS RHODOPE. Plate XXII. fig. 3. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Bombycidæ. GENUS. ENDROMIS, _Ochs. Germar._ Dimorpha, _Hübn._ Phalæna (Bombyx), (_Drury_.) ENDROMIS RHODOPE. Alis albis pellucidis; strigis duabus undulatis parallelis submarginalibus, maculisque nonnullis discoidalibus anticarum virescentibus. (Expans. Alar. 2 unc. 6 lin.) SYN. Phalæna (Bombyx) Rhodope, _Drury_, _App. vol._ 3. HABITAT: Brazil, "Rio Janeiro, Mr. Bonifas, 1776" (_Drury's_ MSS.). _Upper Side._ Antennæ pectinated. Thorax and abdomen dark-brown, with some faint whiteish marks. Wings transparent white, having two rows of greenish crescents running along the external edges, the anterior wings having some faint marks of the same kind in the middle also. The anterior edges are of a yellow hue.