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Those animals in which the protoplasmic mass, constituting the egg, is converted into a multitude of cells, which are metamorphosed into the tissues of the body. A central cavity is commonly developed, and the cells around it are at first arranged in two layers, -- the ectoderm and endoderm. The group comprises nearly…

The passage of the soul, as an immortal essence, at the death of the animal body it had inhabited, into another living body, whether of a brute or a human being; transmigration of souls. Sir T. Browne.

A microscopic form of life; an animal or vegetable organism microscopic size.

A migratory bird or other animal.

A cow or other animal that gives milk.

g the surface nearly smooth, and perforated with very minute unequal pores, or cells. The animals are hydroids, not Anthozoa. See Hydrocorallia.

Characterized by mimicry; -- applied to animals and plants; as, mimetic species; mimetic organisms. See Mimicry.

An animal which imitates something else, in form or habits.

Protective resemblance; the resemblance which certain animals and plants exhibit to other animals and plants or to the natural objects among which they live, -- a characteristic which serves as their chief means of protection against enemies; imitation; mimesis; mimetism.

Anything which is neither animal nor vegetable, as in the most general classification of things into three kingdoms (animal, vegetable, and mineral).

Anything very minute; as, the minims of existence; -- applied to animalcula; and the like.

ed in the Middle Ages as a part of costume. It is uncertain whether it was the fur of one animal only or of different animals.

See Mole the animal. Spenser.

One of the grand divisions of the animal kingdom, including the classes Cephalopoda, Gastropoda, PteropodaScaphopoda, and Lamellibranchiata, or Conchifera. These animals have an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. Most of them develop a mantle, which in…

d with a thick matter; -- so called from the resemblance of the tumors to some molluscous animals. Dunglison.

To shed or cast the hair, feathers, skin, horns, or the like, as an animal or a bird. Bacon.

The progeny resulting from a cross between two breeds, as of domestic animals; anything of mixed breed. Drayton.

An animal having a single heart.

A monoecious animal, as certain mollusks.

Specifically , an animal or plant departing greatly from the usual type, as by having too many limbs.