Search the Dictionary

One of the classes of vertebrates.

Amphibian. [R.]

Of or pertaining to the Amphibia; as, amphibian reptiles.

A treatise on amphibious animals; the department of natural history which treats of the Amphibia.

An amphibian.

One of a tribe of Amphibia, which have both lungs and gills at the same time, as the proteus and siren.

A genus of amphibians, inhabiting the Southern United States, having a serpentlike form, but with four minute limbs and two persistent gill openings; the Congo snake.

The division of Vertebrata in which no allantois is developed. It includes amphibians, fishes, and lower forms.

One of the orders of amphibians characterized by the absence of a tail, as the frogs and toads. [Written also anoura.]

An order of Amphibia without feet. See Ophiomorpha.

A bone in the base of the lower jaw of many birds, reptiles, amphibians, and fishes.

Having the mandibular arch articulated directly to the cranium, as in the skulls of the Amphibia.

An amphibian of the salamander tribe found in the elevated lakes of Mexico; the siredon.

The order of amphibians which includes the frogs and toads; the Anura. Sometimes the word is used in a wider sense as equivalent to Amphibia.

or cartilaginous arches which support the gills on each side of the throat of fishes and amphibians. See Illustration in Appendix. -- Branchial clefts, the openings between the branchial arches through which water passes.

A genus of Amphibia including various species of toads.

With temporary gills: -- applied to those Amphibia in which the gills do not remain in adult life.

A limbless amphibian belonging to the order Cæciliæ or Ophimorpha. See Ophiomorpha. [Written also coecilian.]

r into which the intestinal, urinary, and generative canals discharge in birds, reptiles, amphibians, and many fishes.

An amphibian (Amphiuma means) of the order Urodela, found in the southern United States. See Amphiuma.