SYN. Papilio (Pleb. Urb.) Helops, _Drury_, _App. vol._ 3. Hesperia (U.) Ennius, _Fabr. Ent. Syst._ III. 1. _p._ 337. _No._ 283. _Enc. Méth._ ix. 749. _No._ 54. _Donovan Ins. Ind._ II. _pl._ 3. _fig._ 1. HABITAT: Brazil, "Rio Janeiro, Mr. Bonifas, 1775" (_Drury's_ MSS.). "In Indiis" (_Fabr._). India (_Donovan_). _Upper Side._ Antennæ black. Head, thorax, and abdomen greenish brown. Anterior wings very dark brown, but next the body lighter, and having four diaphanous spots of different shapes on each wing; and also two yellow triangular ones, situated at the middle of the posterior edges. Posterior wings nearly black, with a large yellow patch on the middle of the wings, and two other yellow spots at the abdominal corners. _Under Side._ Palpi ash-coloured. Legs yellow-brown. Breast and abdomen brown. Anterior wings dark brown, the lower parts along the posterior edges being lighter coloured; the diaphanous spots conspicuous, and the tips prettily tinged with red-brown. Posterior wings dark brown, the middle being occupied by a large silver white patch; the edges next the abdominal corners yellow, the other parts of the wings marked by paler and different coloured tints. Margins of the wings entire. PLATE XXXIV. [Illustration] SATURNIA LUCINA. Plate XXXIV. fig. 1. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Bombycidæ, _Steph._ GENUS. SATURNIA, _Schrank._ Attacus, _Germ._ Phalæna (Attacus), _Drury_. SATURNIA LUCINA. Alis albido-griseis fusco multi-rivulosis, strigis undulatis submarginalibus, anticis maculis nonnullis mediis ocelloque parvo apicali nigris. (Expans. Alar. 6 unc. 9 lin.) SYN. Phalæna (Attacus) Lucina, _Drury_, _App. vol._ 3. _Oliv. Enc. Méth._ 5. 31. 27. HABITAT: "Sierra Leone, Mr. Smeathman, 1775" (_Drury's_ MSS.). _Upper Side._ Antennæ yellow and pectinated. Thorax and abdomen brown. Wings russet-brown and cream-colour, disposed in a great variety of different shaped marks. Anterior wings next the body with a number of angulated lines following each other in a regular succession; the middle being composed of another succession of undulated lines crossing the wings from the anterior to the posterior edges: a black oval spot is placed at the tips, and a row of different sized oval marks runs along the external {46}edges. Posterior wings next the body dark brown, the middle and bottom having a series of undulated lines crossing them in regular succession from the anterior to the abdominal edges, while a row of light and dark oval marks is placed along the external edges. _Under Side._ Palpi brown. Legs cream-coloured. Breast, sides, and abdomen brown. Tongue not observed. Wings differing but slightly from the upper side; the general manner of marking being still preserved here. On the upper part of the posterior wings, next the body, is a triangular cream spot, the inner space being brown. Margins of the wings entire.