SYN. Scarabæus Faunus, _Fabr. Ent. Syst._ 1. _p._ 47. _No._ 155. _Syst. El._ 1. _p._ 38. _No._ 36. _Oliv. Ent._ 1. 3. 103. _t._ 10. _f._ 87. _t._ 22. _f._ 87. b. _Jabl. Nat. Syst._ II. _p._ 61. _t._ 9. _f._ 3. HABITAT: Cayenne. Entirely black. Head rounded in front and margined; armed with a long horn that inclines towards the body, the inner part of which, near the top, is dentated. Thorax terminating at the corners, next the body, in two projections like horns, extending in an horizontal position, being very obtuse, and wider at the ends than the middle. The central part has two small projections which are bifid, and two dents on the middle of the posterior margin. Scutellum not distinct. Elytra deeply furrowed. Legs thick and strong. Fore and hinder tibiæ dentated. {74}RHIPICERA DRURÆI. Plate XLVIII. fig. 7. ORDER: Coleoptera. SECTION: Serricornes. FAMILY: Cebrionidæ. GENUS. RHIPICERA, _Latr. Kirby_. Hispa, _Fabr. Drury_. Ptilinus, _Fabr._ Polytomus, _Dalman_. Ptiocerus, _Hoffmansegg_. RHIPICERA DRURÆI. Thorace griseo sericeo; elytris brunneis albo-punctatis scutelloque albido, pedibus supra fuscis subtus griseis. (Long. Corp. 7½ lin.) SYN. Hispa mystacina, _Fabr. Syst. Ent._ _p._ 70. 1.? _Syst. Eleuth._ 1. _p._ 328. 1.? (Ptilinus m.) _Herbst. Col._ v. _p._ 45. _t._ 46. _f._ 13.? _Laporte in Ann. Soc. Ent. de France_, 1834. _p._ 235.? (Rhipicera m.) HABITAT: "Sierra Leone, Mr. Smeathman, 1776" (_Drury's_ MSS.). Head small, black, thin, and margined from the part where the antennæ are placed; but behind them to the thorax growing suddenly thick and round. Antennæ strongly pectinated, each ramification increasing from the base towards the middle, and then gradually decreasing in length; they are about a third part of the insect's length, and entirely black. Thorax grey, rounded, having a ridge on each side, and seeming covered with a fine pile or down. Scutellum grey and round, appearing like a whiteish spot. Elytra dark red-brown, covered with a multitude of small whiteish spots, furrowed and margined at the sides and suture. Breast and abdomen grey, each ring of the latter having some black spots on it. Legs brown above, grey beneath.