Archive image from page 562 of Cuvier's animal kingdom arranged. Cuvier's animal kingdom : arranged according to its organization cuviersanimalkin00cuvi Year: 1840 COLEOPTERA. 551 earth when attempted to be seized, folding the antennje and legs beneath the body. Many species leap well. The females are very prolific. In respect to the different habits of the larvœ, the CycUca are divided into four principal groups :— 1. Larvœ which cover themselves with their own excrement ; 2. Larvae li\'ing in tubes, which they bear about with them ; 3. Naked larvaj ; and, 4. Larvae which Uve in the interio
Archive image from page 562 of Cuvier's animal kingdom arranged. Cuvier's animal kingdom : arranged according to its organization cuviersanimalkin00cuvi Year: 1840 COLEOPTERA. 551 earth when attempted to be seized, folding the antennje and legs beneath the body. Many species leap well. The females are very prolific. In respect to the different habits of the larvœ, the CycUca are divided into four principal groups :— 1. Larvœ which cover themselves with their own excrement ; 2. Larvae li\'ing in tubes, which they bear about with them ; 3. Naked larvaj ; and, 4. Larvae which Uve in the interior of leaves, feeding on their parenchyme—{Cyclica saltatoria.) Such are the principles which have influenced us in our arrangement of this family. We divide them into three tribes, from the mode of insertion of the antennae, [Cassidarice, Chrysomelinck. and Galerucitœ]. The Cassidariœ, [or Tortoise Beetles,] which form the first tribe, have the antennae inserted at the upper part of the head, close together, straight, short, filiform, and nearly cyhndrical, or gradually thickened towards the tip ; the mouth, entirely placed beneath, with short, nearly filiform palpi, is sometimes arched round and sometimes partially received in a cavity of the prosternum ; the eyes are ovoid and round ; the feet contractile, short, with the tarsi flattened, the lobes of the third joint entirely receiving the terminal joint. The body being flat beneath, these insects, by means of the arrangement of the tarsi, lie close upon the leaves, where they generally remain immoveable. In other respects the body is generally orbicular or oval, and margined all round by the dilated thorax and elytra. The head is hidden beneath the thorax, or received in an anterior notch. Their colom's are very varied, and prettily arranged in spots, points, rays, &c. Such of their larvae as we are acquainted with cover themselves with their own excrements. The Cassidariae form two genera. The first, or that of HI S
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