Lamia fronticornis, _Fabr. Sp. Ins._ 1. 216. 2. _Syst. Eleuth._ 2. 281. 3. _Oliv. Ent._ 4. 67. 79. 163. _t._ 8. _f._ 54. Cerambyx notatus, _Voet. Col. Ed. Panz._ 3. 32. 46. _t._ 11. _f._ 46. HABITAT: Sierra Leone. General colour brownish grey. Head deep and grey; one of the sexes having a remarkable thick and strong tubercle issuing from the middle of the face, terminating in two black acute angles, like horns. Mouth armed with two strong black jaws, and four grey palpi. Antennæ grey, and longer than the insect. Thorax grey, the sides terminating in a thick spine; having a broad, white streak crossing it on each side, and extending along the abdomen, beyond the middle legs, narrowing to its extremity. Scutellum small and triangular. Elytra grey and margined, having two round black spots on each, the {60}largest placed about the middle near the suture; the other (a small one) is on this side joined to the margin. A cream-coloured spot is situated just below the former, which extends from thence to the lateral margin. Legs grey, without any spines or marks. LAMIA (ACANTHOCINUS) SPINOSA. Plate XXXI. fig. 3. _Order_: Coleoptera. SECTION: Longicornes. FAMILY: Lamiidæ. GENUS. LAMIA, _Fabr._ Cerambyx P. _Linn._ (SUBGENUS: Acanthocinus, _Meg._) LAMIA (ACANTHOCINUS) SPINOSA. Fusca, griseo-variegata; thorace spinis quatuor, elytrisque seriebus quatuor longitudinalibus spinarum. (Long. Corp. 1 unc. 1½ lin.) SYN. Cerambyx spinosus, _Drury_, _App. vol._ 2. _Sch. Syn. Ins._ 3. 381. (Lamia s.) HABITAT: (----? _Drury_). South America? Head and antennæ brown, the latter about the length of the insect. Thorax lighter brown and rough, terminating on the sides in two very long and sharp spines, bending upwards; on the middle are two others that are more obtuse and thick, with a small bump or rising behind them. Scutellum black. Elytra brown on the middle and sides, but at their extremities grey, terminating in two long spines. A row of small but sharp spines runs on each side the suture, from the middle almost to the scutellum; and along the sides runs another row from the anterior corners almost to the extremities. Six others are placed on each side the scutellum, running towards the middle in regular order; and on the remaining parts of the wing cases are placed a great number of small pustules, that are to be discerned only by the help of a microscope. Legs brown. Tibiæ marked with grey. LAMIA PUNCTATOR. Plate XXXI. fig. 4. ORDER: Coleoptera. SECTION: Longicornes. FAMILY: Lamiidæ. GENUS. LAMIA, _Fabr._ Cerambyx P. _Linn._ LAMIA PUNCTATOR. Atra; elytris albo punctatis, antennis longis, thorace spinoso. (Long. Corp. 1 unc. 3 lin.) SYN. Lamia punctator, _Fabr. Sp. Ins._ 1. 221. 30. _Syst. Eleuth._ 2. 298. 95. _Oliv. Ent._ 4. 69. 88. _t._ 8. 50. _a. b._ Cerambyx chinensis, _Forster Cent. Ins._ 39.