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Vital; as, teleorganic functions.

Any one of several species of fossil suarians belonging to Teleosaurus and allied genera. These reptiles are related to the crocodiles, but have biconcave vertebræ.

A genus of extinct crocodilian reptiles of the Jurassic period, having a long and slender snout.

One of the Teleosti. Also used adjectively.

Of or pertaining to the teleosts. -- n.

A subclass of fishes including all the ordinary bony fishes as distinguished from the ganoids.

An extensive division of fishes including the ordinary fishes (Teleostei) and the ganoids.

Having tissued composed of cells.

A metazoan.

A native of Acadie. Acadian epoch (Geol.), an epoch at the beginning of the American paleozoic time, and including the oldest American rocks known to be fossiliferous. See Geology. -- Acadian owl (Zoöl.), a small North American owl (Nyctule Acadica); the saw-whet.

A group of teleostean fishes having spiny fins. See Acanthopterygii.

ages are designated as three: The Stone age (the early and the later stone age, called paleolithic and neolithic), the Bronze age, and the Iron age. During the Age of Stone man is supposed to have employed stone for weapons and implements. See Augustan, Brazen, Golden, Heroic, Middle.

United States Geological Survey and some other authorities, between the Archæan and the Paleozoic, from both of which it is generally separated in the record by unconformities. Algonkian rocks are both sedimentary and igneous. Although fossils are rare, life certainly existed in this period. -- n.

entral Asia, described by Xenophon in his work called "The Anabasis." The anabasis of Napoleon. De Quincey.

A group of teleostean fishes destitute of spiny fin-rays, as the cod.

rds which belong to the family Iguanidæ. They take the place in the New World of the chameleons in the Old, and in America are often called chameleons.

ich makes in the sand a pitfall to capture ants, etc. The common American species is Myrmeleon obsoletus, the European is M. formicarius.

pertaining to the earliest Stone age; -- applied to a prehistoric period preceding the Paleolithic age.

. Azoic age (Geol.), the age preceding the existence of animal life, or anterior to the paleozoic tome. Azoic is also used as a noun, age being understood. See Archæan, and Eozoic.

own, to retreat or withdraw from a promise, engagement, or contest; to recede. [Colloq.] Cleon at first . . . was willing to go; but, finding that he [Nicias] was in earnest, he tried to back out. Jowett (Thucyd. )