_Upper Side._ Antennæ setaceous and yellow. Thorax and abdomen yellow. Wings deep straw-coloured, the anterior having a small black spot placed near the middle of the anterior edges. A small narrow line of a silverish colour runs along the external edges of these wings, beginning near the tips, and continuing along the edges of the posterior ones, ends at the abdominal corners. _Under Side._ Breast, legs, and abdomen whiteish. Wings coloured as on the upper side, but dappled with minute reddish streaks. Margins of the wings entire. NOCTUA (CALYPTRA) LUGUBRIS. Plate XXI. fig. 5. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Noctuidæ. GENUS. NOCTUA, _Auct._ SUBGENUS: Calyptra, _Ochs._ Gonoptera, _Latr._ NOCTUA (CALYPTRA) LUGUBRIS. Alis anticis dentatis subfalcatis, brunneo-fuscis basi saturatioribus, maculis dentatis submarginalibus. (Expans. Alar. 1 unc. 7½ lin.) SYN. Phalæna (Noctua) lugubris, _Drury_, _App. vol._ 3. HABITAT: Madras. _Upper Side._ Antennæ brown and setaceous. Thorax ash-coloured. Abdomen and wings rusty iron, without marks, except the anterior, which have some faint blueish marks close to the external edges. _Under Side._ Tongue not noticed. Breast, legs, and abdomen dark red. Wings redder-coloured than on the other side, without marks: anterior wings dentated, the posterior entire. {30}NOCTUA (ACONTIA) MARGARITATA. Plate XXI. fig. 6. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Noctuidæ. GENUS. NOCTUA, _Auct._ SUBGENUS: Acontia, _Ochs. Steph. Curtis._ Phalæna (Noctua), _Drury_. NOCTUA (ACONTIA) MARGARITATA. Argenteo-alba, alis anticis pone punctum ordinarium fuscis, maculâ magnâ albâ costali margineque postico albo, lunulis punctisque nigricantibus, posticarum margine fusco. (Expans. Alar. 1 unc. 5 lin.) SYN. Phalæna Noctua Margaritata, _Drury_, _App. vol._ 3. HABITAT: New York. _Upper Side._ Antennae brown and setaceous. Thorax and abdomen silvery white. Anterior wings at the shoulders silvery white, the remainder being of a shining red-brown, with the edges fringed with white; a large spot of silver colour is situate near the tips, on the anterior edges. Posterior wings silvery white, but along the external edges darker coloured. _Under Side._ Tongue not noticed. Breast, legs, and abdomen white. Anterior wings silvery grey, being edged and fringed with yellow. Posterior wings coloured as on the upper side, without markings. Margins of the wings entire. PLATE XXII. [Illustration] NOCTUA GUTTATA. Plate XXII. fig. 1. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Noctuidæ, _Steph._ GENUS. NOCTUA, _Auct._ (SUBGENUS: ----?) NOCTUA GUTTATA. alis griseis punctis nonnullis discoidalibus strigisque apicalibus obscurioribus. (Expans. Alar. 1 unc. 7½ lin.) SYN. Phalæna (Noctua) Guttata, _Drury_, _App. vol._ 3. HABITAT: "Brazil" (_Drury_, in text). "Cape of Good Hope, Mr. Foster, 1775" (_Drury's_ MSS.).