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An animal covered with bony scales, as crocodiles among reptiles, and the pangolins among mammals.

Any hard protective covering of an animal, as the scales and plates of reptiles, shell of a lobster, etc. We . . . strip the lobster of his scarlet mail. Gay.

The pecten in the eye of birds and reptiles. See Pecten.

A plate or scale covering the mentum or chin of a fish or reptile.

at will by the expansion of special pigment cells, under nerve influence, as seen in many reptiles, fishes, etc. Cope.

A group of vertebrates, including the birds and reptiles, or those that have only one occipital condyle; the Sauropsida.

One of an extinct order of reptiles, including Mosasaurus and allied genera. See Mosasauria.

An order of large, extinct, marine reptiles, found in the Cretaceous rocks, especially in America. They were serpentlike in form and in having loosely articulated and dilatable jaws, with large recurved tteth, but they had paddlelike feet. Some of them were over fifty feet long. They are, essentially, fossil sea serpen…

A genus of extinct marine reptiles allied to the lizards, but having the body much elongated, and the limbs in the form of paddles. The first known species, nearly fifty feet in length, was discovered in Cretaceous beds near Maestricht, in the Netherlands. [Written also Mososaurus.]

e bird itself is said by some writers to trim them into this shape. They feed on insects, reptiles, and fruit, and are found from Mexico to Brazil. The name is derived from its note. [Written also momot.]

odontoid bone or to the odontoid process. Odontoid bone (Anat.), a separate bone, in many reptiles, corresponding to the odontoid process. -- Odontoid process, or Odontoid peg (Anat.), the anterior process of the centrum of the second vertebra, or axis, in birds and mammals. See Axis.

The order of reptiles which includes the serpents.

Feeding on serpents; -- said of certain birds and reptiles.

An order of extinct flying reptiles; -- called also Pterosauria.

xtinct Reptilia, intermediate in structure (especially with regard to the pelvis) between reptiles and birds. -- Or`ni*tho*scel"i*dan, a.

An extinct order of reptiles which stood erect on the hind legs, and resembled birds in the structure of the feet, pelvis, and other parts.

Oviparous, but hatching the egg while it is within the body, as some fishes and reptiles.

zed pottery like that made by Bernard Palissy; especially, that having figures of fishes, reptiles, etc., in high relief.

One of the special scales, or plates, covering the back of the head in certain reptiles and fishes.

rane projecting into the vitreous humor within the globe of the eye in birds, and in many reptiles and fishes; -- also called marsupium.