_Under Side._ Palpi white. Tongue not observed. Legs, breast, and abdomen white. Anus dark-brown. Wings coloured as on the upper side; the posterior ones having two brown spots on each near the abdominal corners. Margins of the wings entire. CALLIMORPHA? DIAPHANA. Plate XXII. fig. 4. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Arctiidæ, _Steph._ GENUS. CALLIMORPHA? _Latr._ Phalæna (Noctua), _Drury_. CALLIMORPHA? DIAPHANA. Alis diaphanis, marginibus anticis et externis strigâque transversâ e margine antico ad angulum posticum ductâ, nigris. (Expans. Alar. 1 unc. 9 lin.) SYN. Phalæna (Noctua) Diaphana, _Drury_, _App. vol._ 3. HABITAT: Brazil, "Rio Janeiro, Mr. Bonifas, 1774" (_Drury's_ MSS.). _Upper Side._ Antennæ pectinated. Thorax brown. Abdomen black, brown above. Wings diaphanous, the edges being bordered with black, a black band also crosses the anterior, from the anterior edges to the lower corners. _Under Side._ Tongue spiral. Breast and legs black. Abdomen grey. Anus yellowish. Wings coloured on this side as on the upper. Margins of the wings entire. {32}CALLIMORPHA? PHILETA. Plate XXII. fig. 5. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Arctiidæ, _Steph._ GENUS. CALLIMORPHA? _Latr._ Phalæna (Noctua), _Drury_. CALLIMORPHA? PHILETA. Alis anticis oblongis fuscis, fasciâ transversâ pone medium albâ, posticis fulvis margine externo nigro, thorace sanguineo. (Expans. Alar. 2 unc. 3 lin.) SYN. Phalæna (Noctua) Phileta, _Drury_, _App. vol._ 3. HABITAT: "Sierra Leone, Mr. Smeathman, 1776" (_Drury's_ MSS.). _Upper Side._ Antennæ black and setaceous. Thorax red, spotted, and striped with black. Abdomen yellow, with black streaks crossing it. Anterior wings sooty black, with a white band crossing each from the anterior edges to the lower corners. Posterior wings yellow, with a black border running along the external edges. _Under Side._ Head and neck red. Legs streaked black and white. Breast and abdomen yellow, the latter spotted with black on each side. Wings coloured as on the upper side. Margins of the wings entire. CALLIMORPHA? EUCHARIS. Plate XXII. fig. 6. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Arctiidæ, _Steph._ GENUS. CALLIMORPHA? _Latr._ Phalæna (Noctua), _Drury_. CALLIMORPHA? EUCHARIS. Alis sulphureis, margine postico lato punctoque medio anticarum fuscis. (Expans. Alar. 1 unc. 6 lin.) SYN. Phalæna (Noctua) Eucharis, _Drury_, _App. vol._ 3. HABITAT: Brazil. _Upper Side._ Antennæ setaceous. Thorax and abdomen brown. Anterior wings greyish yellow, with a single spot placed near the middle, almost close to the anterior edge. Posterior wings of the same colour as the anterior, and like them surrounded with a deep black border. _Under Side._ Tongue spiral. Legs, breast, and abdomen grey. Wings coloured as on the upper side, the borders being fainter. Margins of the wings entire. PLATE XXIII.