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The bone, or principal bone, of the lower jaw; the inferior maxilla; -- also applied to either the upper or the lower jaw in the beak of birds.

Placed in apposition; mutually fitting, as the mandibles of a bird's beak.

A tuft of hair on the mandibles.

allied Arachnida. They are homologous with the falcers of spiders, and probably with the mandibles of insects.

ed transversely under the others when not in use. The mouth parts form two pairs of jaws (mandibles and maxillæ) adapted for chewing. Most of the Coleoptera are known as beetles and weevils.

The point of union between two parts, as the angles of the lips or eyelids, the mandibles of a bird, etc.

A bird of the genus Loxia, allied to the finches. Their mandibles are strongly curved and cross each other; the crossbeak.

osquito, etc. They have a suctorial proboscis, often including two pairs of sharp organs (mandibles and maxillæ) with which they pierce the skin of animals. They undergo a complete metamorphosis, their larvæ (called maggots) being usually without feet.

Hook-billed; having the upper mandible longer than the lower.

One of the mandibles of a spider.

Any species of the genus Falco, distinguished by having a toothlike lobe on the upper mandible; especially, one of this genus trained to the pursuit of other birds, or game. In the language of falconry, the female peregrine (Falco peregrinus) is exclusively called the falcon. Yarrell.

The cheek; the feathered side of the under mandible of a bird.

Any one of the mouth appendages of the Arthropoda. They are known as mandibles, maxillæ, and maxillipeds.

The horney covering of the lower mandible of a bird.

An order of hexapod insects having a jointed proboscis, including four sharp stylets (mandibles and maxillæ), for piercing. In many of the species (Heteroptera) the front wings are partially coriaceous, and different from the others.

Pertaining both to the hyoidean arch and the mandible or lower jaw; as, the hyomandibular bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes. -- n.

Having the mandible suspended by the hyomandibular, or upper part of the hyoid arch, as in fishes, instead of directly articulated with the skull as in mammals; -- said of the skull.

Between the mandibles; interramal; as, the intermandibular space.

Between rami or branches; esp., between the mandibles, or rami of the lower jaw; intermandibular.

The bone of either jaw; a maxilla or a mandible.