SYN. Scarabæus Triangularis, _Drury, App. vol._ 2. _Fabr. Syst. Ent. p._ 30. _No._ 122. _Syst. Eleuth._ 1. _p._ 63. _No._ 42. _Oliv. Ent._ 1. 3. _p._ 166. _t._ 15. _f._ 139. HABITAT: Surinam. Head dirty green. Thorax very convex and broad, dark yellow all round the edge, but black in the middle, and of a coppery hue. Elytra black and margined. Abdomen yellow. Anus black. Thighs yellow. Tibiæ and tarsi black. Scutellum obsolete. {78}ONTHOPHAGUS SERRATIPES. Plate XXXVI. fig. 8. ORDER: Coleoptera. SECTION: Lamellicornes. Family: Scarabæidæ, _MacLeay_. GENUS. ONTHOPHAGUS, _Latreille_. Copris, _Fabricius_. Scarabæus, _Drury_. ONTHOPHAGUS SERRATIPES. Niger, capite lato, abdomine subæneo, elytris striatis luteo marginatis. (Long. Corp. lin. 5.) SYN. Scarabæus Serratipes, _Drury, App. vol._ 2. HABITAT: China. Head and thorax black; the former very broad. Antennæ are black. Abdomen dark green, almost black. Scutellum obsolete. Elytra rather longer than the thorax, furrowed and black, slightly margined; just above which, all round their external edges, they are of a dirty clay colour. Anus the same. PLATE XXXVII. [Illustration] PRIONUS (ORTHOSOMA) PENSYLVANICUS. Plate XXXVII. fig. 1. ORDER: Coleoptera. SECTION: Longicornes. FAMILY: Prionidæ, _Leach_. GENUS. PRIONUS, _Fabr._ Cerambyx, _Linn._ SUBGENUS: Orthosoma, _Serv._ PRIONUS (ORTHOSOMA) PENSYLVANICUS. Obscurus, thorace marginato tridentato, pectore abdomineque ferrugineis, antennis brevibus. (Long. Corp. 1 unc. 6 lin.) SYN. Cerambyx Pensylvanicus, _De Geer Mem._ 5. _p._ 99. _t._ 13. _f._ 13. Cerambyx unicolor, _Drury. App. vol._ 2. Cerambyx brunneus, _Forster Cent. Ins. p._ 37. _Linn. Syst. N._ (_Gmel._) 1. iv. 1828. Cerambyx cylindroides, _Linn. Syst. Nat._ (_Ed. Gmel._) 1. iv. 1818. Prionus cylindricus, _Fabr. Sp. Ins._ 1. _p._ 207. 14. _Syst. Eleuth._ II. _p._ 261. _Oliv. Ent._ iv. 66. _p._ 23. _t._ 1. _f._ 6. _Latr. Gen. Cr._ III. _p._ 33. _Serv. Ann. Soc. Ent. France_, 1. 156. (Orthosoma c.) HABITAT: New York. Head dark chesnut-coloured. Antennæ about two-thirds of the length of the insect. Thorax somewhat darker, rounded, and margined; having three small spines on each side. Scutellum semi-oval. Elytra light chesnut, margined, and flattish; being about three times the length of the thorax and head, and broad at their extremities. Abdomen, thighs, and tibiæ red chesnut, shining as if polished. PRIONUS (DEROBRACHUS) LATICOLLIS. Plate XXXVII. fig. 2. ORDER: Coleoptera. SECTION: Longicornes. FAMILY: Prionidæ, _Leach_. GENUS. PRIONUS, _Fabr._ Cerambyx, _Linn._ SUBGENUS: Derobrachus, _Serv._ PRIONUS (DEROBRACHUS) LATICOLLIS. Niger latus, thorace marginato transverso, tridentato, atro nitido; antennis brevibus. (Long. Corp. 1 unc. 9 lin.) SYN. Cerambyx Laticollis, _Drury, App. vol._ 2.