_London. Published as the Act directs, by E. Donovan & Mess.^{rs} Simpkin & Marshall, Oct.^r 1, 1822._ ] ------------------------------------------------------------------------ ENTOMOLOGY. PLATE XIX. PAPILIO HOMERUS HOMER’S BUTTERFLY. ORDER LEPIDOPTERA. GENERIC CHARACTER. Antennæ thicker towards the tip, and generally terminating in a knob: wings erect when at rest. Fly by day. * EQUITES ACHIVI. SPECIFIC CHARACTER AND SYNONYMS. Wings caudated or terminating in tails, black with a yellow band; lower ones yellowish beneath, with seven ocellar spots: PAPILIO HOMERUS: alis caudatis nigris: fascia flava posticis subtus flavescentibus: maculis ocellaribus septem.—_Fabr. Ent. Syst. T. 3, p. 1. 29. 85._ PAPILIO HOMERUS: _Jon. fig. pict. 1. tab. 8._ Corpus magnum nigrum. Alæ anticæ supra nigræ fascia maculari maculisque apicis flavis. Subtus anticæ concolores, at macula apicis tantum unica, marginalis, albida posticæ fuscæ, fascia media pallida maculis septem ocellaribus, atris iride rufa. * * * * * In the present instance, as in many others that will occur during the progress of this undertaking, we have the pleasure of introducing to the attention of the Naturalist, a species of the Papilio tribe, no less distinguished for its beauty than its rarity; and one, moreover, that has never been before depicted in the work of any author.