The Melicerta of Fabricius and the Encyclopédie Méthodique appears to be a distinct species, having the base of the anterior wings spotted with white. I have restored Drury's name to the present insect, as it has the priority. ANTHOCARIS ARETHUSA. Plate XIX. fig. 5, 6. ORDER: Lepidoptera. SECTION: Diurna. FAMILY: Papilionidæ, _Leach_. GENUS. ANTHOCARIS, _Boisduval_. Pieris, _Latr. &. God._ Papilio (Dan. Cand.) _Drury_. ANTHOCARIS ARETHUSA. Alis rotundatis integerrimis albidis; supra anticis apice maculâque, posticis strigâ incurvâ punctisque marginalibus fuscis; anticarum subtus apice fulvo. (Expans. Alar. 1 unc. 10 lin.) SYN. Papilio (Dan. Cand.) Arethusa, _Drury_, _Append. vol._ 2. _Boisduval Hist. Nat. Lepidopt._ 1. _p._ 582. (Anthocaris A.) Pieris Amytis, _Enc. Méth._ ix. _p._ 123. (Exclus. Syn. _Crameri_.) Pieris Evippe, [female]. _Enc. Méth. Sup. p._ 805. HABITAT: Sierra Leone. _Upper Side._ Antennæ brown. Head, thorax, and abdomen dark brown. Anterior wings white, brown at the base; having a small black round spot near the centre of each; the tips are dark brown, occupying a third of the wings; near the middle of the posterior edges is a brown patch, and a small round spot at the lower corners. Posterior wings white, but clouded a little near the body. Along the external edges are placed five brown spots, that next the upper corners being double: also a brown line, like an obtuse angle, begins on the anterior edges, and ends just below the body. _Under Side._ Palpi, breast, and legs ash-coloured. Anterior wings white, whereof the tips are orange-coloured, verged with yellow; on each wing are two black spots, one being very small and answering to that on the upper side; the other larger, and placed near the posterior edges. Posterior wings pale yellow, with an exceeding small spot, surrounded with orange colour, placed near the middle of each; the brown obtuse angle appears faintly on this side, but of an orange colour. All the wings are entire. PLATE XX. [Illustration] CALLIMORPHA? SANGUIFLUA. Plate XX. fig. 1, 2. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Arctiidæ, _Stephens_. GENUS. CALLIMORPHA? _Latr._ SUBGENUS: ----? Phalæna (----?), _Drury_. CALLIMORPHA? SANGUIFLUA. Alis nigris, anticis albo et flavo punctatis nervisque posticis sanguineis; posticis nigris margine coeruleo 4 albo-punctatis. (Expans. Alar. 4 unc. 1½ lin.) SYN. Phalæna (----) Sanguiflua, _Drury_, _App. vol._ 2. HABITAT: Surinam.