Like the following, but all three parts of the body closely annexed, and rudder-like fringes of hairs upon the feet—Parnidæ, Hydrophilidæ, Dyticidæ.
Fam. 5. Orthopteroid Beetles—Prædatoria.
Maxillæ very large and pointed, antennæ setiform, wings hard and tolerably flat like the body, tarsi mostly pentameral.—Raub-Lauf-and Sandkäfer.
Fam. 6. Hemipteroid Beetles—Parasitica.
Body pretty cylindrical, head rounded with moderate sized maxillæ, elytra narrow and soft, tarsi penta-and heteromeral.
They hang as larvæ like Mites to other beetles, and suck them; but after the metamorphosis they live upon leaves and flowers—Lampyridæ and Cantharidæ.
Order 9. Ceratopteroid Beetles—Rypophaga.
3529. Body quadripeltate and mostly short, with hard elytra, thorax large, head small, with short claviform antennæ and blunt maxillary teeth; feet mostly furnished with ungues, tarsal joints varied. Their habitation is very varied, being both free and concealed, and they live for the greatest part on decaying excrementitious matters, such as fungi, dry rot, and even animal ordure.
Fam. 7. Phytophagoid—Necrophaga.
Body mostly rounded, with hard and large elytra; antennæ claviform; tarsi tri-tetra-and pentameral—Lycoperdinæ, Erotyli, Coccinellidæ, Byrrhidæ, Dermestidæ, Sylphidæ. They correspond to the Worms and Tracheopterous insects.