_Upper Side._ Antennæ filiform, black, white at the tips, and thickest in the middle. Head tawny yellow. Neck black. Thorax and abdomen tawny yellow; the former having three black spots thereon, and the latter encircled with six black rings. Anterior wings having four transparent spots in each; the two next the shoulders being divided only by the nerves, in one of which appears two dark spots, one next the shoulders, and the other a quarter of an inch from it, crossing the transparent part. All the edges of these wings are very dark brown, the external and posterior ones being broadest. Posterior wings also having one large transparent spot in each; all the edges of these wings brown, the external and anterior ones being broadest, nerves yellow. _Under Side._ Tongue curled up. Sides, breast, and abdomen yellow, with black rings. Legs dark brown and yellow. Wings as on the upper side. GLAUCOPIS? PHALÆNOIDES. Plate XXVIII. fig. 6. ORDER: Lepidoptera. SECTION: Crepuscularia. FAMILY: Zygænidæ. GENUS. GLAUCOPIS, _Fabr. Ent. Syst._ (zygæna, _Fabr. Olim._) GLAUCOPIS? PHALÆNOIDES. Alis anticis cinereis apicem versus subpellucidis, posticis parvis truncatis maculâ basali obscurâ. (Expans. Alar. 1 unc. 9 lin.) SYN. Sphinx Phalænoides, _Drury_, _App. vol._ 2. HABITAT: Bay of Honduras. _Upper Side._ Antennæ pectinated and grey, being smallest at the extremity, which is white. Head grey. Neck white. Thorax ash-coloured. Abdomen pale yellow. Anterior wings ash-coloured next the shoulders, and along the anterior and posterior edges; the remaining parts being nearly transparent. Posterior wings singularly shaped; ash-coloured next the body, but the anterior parts are subpellucid. On these parts is placed a small triangular spot, of different colours when held in different directions, in some being yellow, in others ash-coloured. _Under Side._ Tongue curled up. Breast yellow. Sides and abdomen white. Anterior wings appearing more pellucid than above. Anterior and external edges white; and near the shoulders is placed a white oval spot on each. Posterior wings ash-coloured, but round the edges are white; appearing to be less pellucid than on the upper side. The triangular spot is scarcely discernible on this side. {55}PLATE XXIX. [Illustration] SPHINX ACHEMON. Plate XXIX. fig. 1. ORDER: Lepidoptera. SECTION: Crepuscularia. FAMILY: Sphingidæ. GENUS. SPHINX, _Auct._ SPHINX ACHEMON. Alis anticis griseo-fuscis maculis tribus marginalibus et apicalibus brunneis, posticis roseis externe fuscis, maculis nigris submarginalibus. (Expans. Alar. 4 unc. 3 lin.) SYN. Sphinx Achemon, _Drury_, _Append. vol._ 2. Sphinx Crantor? _Cramer_, _tab._ 104. _fig._ A. _Fabr. Ent. Syst._ 375. 58. HABITAT: Jamaica.