UNDER SIDE. Palpi clay-coloured. Breast and sides black, with white spots. Anterior wings coloured as on the upper side. Posterior wings clay-coloured, with twelve black distinct spots, two near the upper corners being small and round. These wings next the breast are black, with some white spots thereon; and along the external edges is a black indented margin, with eight small white spots on it, two of which next the abdominal corners are joined together. Margins of the wings entire. HELICONIA DIAPHANA. Plate VII. fig. 3. ORDER: Lepidoptera. SECTION: Diurna. FAMILY: Nymphalidæ, _Sw._ GENUS. HELICONIA, _Fabr. Latr. God._ Papilio (Eq. Helicon.), _Drury, &c._ HELICONIA DIAPHANA. Alis oblongis integerrimis hyalinis, margine omni fasciâque transversâ abbreviatâ anticarum fusco-nigris, posticis subtus costâ baseos sulphureâ. (Expans. Alar. 2 unc. 3 lin.) SYN. Papilio (Eq. Helic.) Diaphanus, _Drury_, _App. vol._ 2. _Cramer_, _pl._ 231. C. _and pl._ 315. D. E. _Fabr. Ent. Syst._ III. 1. _p._ 184. _No._ 570. HABITAT: Jamaica, Brazil to Virginia (_Enc. Méth._). {16}_Upper Side._ Antennæ black, and very long. Thorax and abdomen dark brown. Wings transparent, vitreous. Anterior ones with the posterior edges bending as it were inwards. A small narrow border of dark brown runs entirely round the edges of these wings; and on the anterior edges, about a third from the tips, runs a dark brown streak towards the middle of the wing, close to which is a small white spot joining to the anterior edge. Posterior wings having also a very narrow border running about two-thirds round them, and stopping at the abdominal edges; some long yellowish hairs are placed on the anterior edges near the body. _Under Side._ Palpi, breast, sides, ash-coloured. The dark brown borders surrounding the wings appear on this side of an orange brown colour; the rest as on the upper side. Margins of the wings entire. PLATE VIII. [Illustration] NYMPHALIS SALMACIS. Plate VIII. fig. 1, 2. ORDER: Lepidoptera. SECTION: Diurna. FAMILY: Nymphalidæ, _Sw._ GENUS. NYMPHALIS, _Latr. God._ Papilio (Nymphalis Phal.), _Drury, &c._ NYMPHALIS SALMACIS. Alis dentatis, supra nigris disco coeruleo-radiatis, subtus fuscis; fasciâ strigâque maculari albidis ([female]). (Expans. Alar. 4 unc. 3 lin.) SYN. Papilio (Nymph. Ph.) Salmacis, _Drury, App. vol._ 2. _Herbst. tab._ 166. _f._ 5. 6. _Fabr. Ent. Syst._ III. 1. _p._ 132. _No._ 408. Papilio Omphale, _Stoll. Suppl. Cram. pl._ 26. _f._ 1. 1. A. HABITAT: Sierra Leone (_Drury_). Amboina (_Stoll._).