_Under Side._ Legs, sides, thorax, and abdomen pale orange. Anterior wings entirely pale orange and dusky black, without any mixture of red, &c. Posterior wings as on the upper side; the colours being less distinct. Margins of the wings entire. TRIPHÆNA MATERNA. Plate XIII. fig. 4. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Noctuidæ, _Stephens_. GENUS. TRIPHÆNA, _Ochs. Treit. Steph._ Phalæna (Noctua), _Linn. Drury_. TRIPHÆNA MATERNA. Alis anticis grisescentibus aut luteis, fusco irroratis et undulatis, posticis fulvis, maculâ margineque (albo punctato) atris. SYN. Phalæna (Noctua) Materna, _Linn. Syst. Nat._ II. 840. 117. _Drury_, _App. vol._ 2. Noctua Materna, _Fabr. Ent. Syst._ III. 2. _p._ 16. _No._ 27. _Gmel. Linn. S. N._ 2533. 117. _Oliv. Enc. Méth._ 8. 259. 39. Noctua hybrida, _Fabr. Ent. Syst._ 593. 11. HABITAT: Bengal. _Upper Side._ Antennæ setaceous. Tongue spiral. Palpi yellow, blue at the tips. Head tinged with blue. Thorax olive. Abdomen yellow. Anterior wings light brown and shining; appearing of several colours according to the position they are held in. Posterior wings yellow, with a round black central spot. Margins black, beginning at the middle of the anterior edges, and ending at the abdominal corners where the margin is narrowest; having eight small white spots thereon, placed on the external edges. _Under Side._ Thorax, abdomen, and sides yellowish ash-coloured. Anterior wings yellow; tips brown, and separated from the yellow by a black streak running from the lower corner to the anterior edge. Posterior wings coloured as on the upper side; the black margin being rather fainter. Margins of the wings dentated. PLATE XIV. [Illustration] EREBUS FLUCTUOSUS. Plate XIV. fig. 1. ORDER: Lepidoptera. SECTION: Nocturna. FAMILY: Noctuidæ, _Steph._ GENUS. EREBUS, _Latr._ Thysania, _Dalm._ Noctua, _Fabr._ EREBUS FLUCTUOSUS. Alis fuscis, fasciâ communi pallidâ, marginibus latè nigris internè dentatis, anticis ocello magno auriformi. (Expans. Alar. 3 unc. 1½ lin.) SYN. Phalæna (Noctua) fluctuosa, _Drury_, _App. vol._ 2. HABITAT: Sierra Leone. _Upper Side._ Antennæ setaceous. Head and thorax brown. Tongue spiral. Wings dark hair-coloured, or russet brown; divided into two compartments by a clay-coloured line, which beginning at the anterior edges of the anterior near the middle, and crossing them and the posterior, meets at the extremity of the body: the inner compartment being brown, the outward one clay; which is again separated by an irregular waved line, beginning at the tips and ending at the abdominal corners. All the outward part is brown. Two black spots are placed on the anterior wings next the anterior edges, and near the middle.