ORDER: Coleoptera. SECTION: Lamellicornes. FAMILY: Dynastidæ, _MacLeay_. GENUS. DYNASTES, _MacLeay_. Geotrupes, _Fabr._ Scarabæus, _Linn. Drury_. DYNASTES GIDEON. Thoracis cornu incurvo maximo apice bifido, capitis recurvato bifido supra unidentato. (Long. Corp. cum corn. 2 unc. 4½ lin.) SYN. Scarabæus Gideon, _Linn. Syst. Nat._ 1. II. _p._ 541. _No._ 2. _Swammerdam Book of Nature, t._ 30. _f._ 2. _Fabr. Syst. Eleuth._ 1. _p._ 4. _No._ 3. _Olivier Ent._ 1. 3. _p._ 14. _t._ 11. _f._ 102. Scarabæus Oromedon, _Drury, App. vol._ 2. _Fabr. Syst. Eleuth._ 1. _p._ 4. _No._ 4. (Var. præcedentis.) HABITAT: East India. {77}General colour dark brown, almost black. Thorax smooth and shining, as if polished, and terminating in a strong thick horn, which inclines forward in a curved position, and is forked at the end. From the head also springs another strong horn, forked at the extremity, which in length corresponds with the first; its outer side being broad and round, but its inner side, or that opposite the other horn, is thin and sharp, having a small swelling in the middle. Elytra smooth and shining, with a narrow margin. Anterior tibiæ with four teeth; two being at the tip, and two a little above them. The other tibiæ are furnished with several sharp spines (five or six), chiefly about the tips; which, as noticed in D. Titanus, assist the animal in its passage. Anus not hairy, as in many other species. CYCLOCEPHALA SIGNATA. Plate XXXVI. fig. 6. ORDER: Coleoptera. SECTION: Lamellicornes. FAMILY: Rutelidæ, _MacLeay_. GENUS. CYCLOCEPHALA, _Latreille_. Chalepus, _MacLeay_. Scarabæus, _Drury_. CYCLOCEPHALA SIGNATA. Glabra, pallidè lutea, thorace lineis duabus, elytris maculis tribus, duabus aut nullis. (Long. Corp. 7-8 lin.) SYN. Melolontha Signata. _Fabricius Syst. Eleuth._ II. _p._ 169. _No._ 51. _Oliv. Ent._ 1. 5. _t._ 4. _f._ 33. & 36. _Herbst. Col._ III. _p._ 79. _f._ 2. 32. Scarabæus Amazonus? _Drury, App. vol._ 2. _Sloane Hist. Jamaica_, 11. _p._ 206. 8. _t._ 237. _f._ 38. (Exclus. Syn. _Linn._) HABITAT: Antigua, New York, Virginia, St. Christopher's. Entirely dark dirty straw-coloured. Thorax margined, with two oblong black spots on it. Scutellum triangular. Elytra margined, with two small faint brown spots on each. Abdomen and legs hairy, the former extending beyond the ends of the elytra. Anterior tibiæ spinose; the internal spur being remarkably long. COPROBIUS TRIANGULARIS. Plate XXXVI. fig. 7. ORDER: Coleoptera. SECTION: Lamellicornes. FAMILY: Scarabæidæ, _MacLeay_. GENUS. COPROBIUS, _Latr._ Scarabæus, _Linn._ _Drury_. Ateuchus, _Fabr._ COPROBIUS TRIANGULARIS. Niger; clypeo bidentato, thoracis margine fulvo obtusè angulato, femoribus posticis brunueis. (Long. Corp. fere 6 lin.)