ORDER I. The COLEOPTERA, have four wings, the two superior ones being crustaceous, and furnished with a straight suture.—This order comprehends 47 genera, viz. Scarabæus, Lucanus, Dermestes, Melyris, Byrrhus, Silpha, Tritoma, Hydrophilus, Hister, Paufus, Bostriachus, Anthrenus, Nitidula, Coccinella, Curculio, Brentus, Attelabus, Erodius, Staphylinus, Scaturus, Zygia, Meloc, Tenebrio, Cassida, Opatrium, Mordella, Chrysomela, Horia, Apalus, Mantecora, Pimelia, Gyrinus, Cucujus, Cyprocephalus, Bruchus, Pinus, Hispa, Buprestis, Necydalis, Lampyris, Cantharis, Notoxus, Elater, Calopus, Alurnus, Carabus, Lytta, Serropalpus, Cerambyx, Lepidura, Rhinomancer, Zonitis, Cicindela, Dyticus, Forficula.