The Animal Kingdom: Arranged in Conformity with Its Organization

abdomen animals antennæ aperture appendages arcuated articulated base beak birds body bones branchiæ caterpillars cavity characters Coleoptera colour common composed compressed conical consists covered Crustacea cylindrical dentated Diptera distinguished divided dorsal edge eggs elongated elytra emargination external eyes fawn colour feed feet females filiform fishes flattened fleshy four frequently furnished genera genus greater number hairs head hooks incisors inferior inhabit Insects jaws joints labrum laminæ larvæ legs length less ligula Linnæus live males mammæ mandibles mantle maxillæ maxillary maxillary palpi membranous molars mouth narrow nearly nostrils ocelli operculum organs oval ovipositor palpi placed posterior extremity proboscis properly so called quadrupeds resemble respiration round setæ shell short side skin slender slightly sometimes species spines subgenera sucker superior surface tail tarsi teeth tegument tentacula terminated thick thorax tibiæ toes transverse tribe tube tubercles upper usually wings