Search the Dictionary

up of extinct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also a pair of powerful tusks. Their remains are found in triassic strata of South Africa and India.

Formerly, any marsupial; but the term is now restricted to an American genus which includes the opossums, of which there are many species. See Opossum. [Written also Didelphis.] See Illustration in Appendix. Cuvier.

Formerly, any marsupial; but the term is now restricted to an American genus which includes the opossums, of which there are many species. See Opossum. [Written also Didelphis.] See Illustration in Appendix. Cuvier.

Like or pertaining to the genus Didus, or the dodo.

The quality or attribute which is added to those of the genus to constitute a species; a differentia.

A genus of plants including the foxglove.

A genus of large extinct Devonian ganoid fishes. In some parts of Ohio remains of the Dinichthys are abundant, indicating animals twenty feet in length.

A genus of large extinct Eocene mammals from Wyoming; -- called also Uintatherium. See Illustration in Appendix.

A genus of extinct, ostrichlike birds of gigantic size, which formerly inhabited New Zealand. See Moa. [Written also Deinornis.]

A genus of spinose, plectognath fishes, having the teeth of each jaw united into a single beaklike plate. They are able to inflate the body by taking in air or water, and, hence, are called globefishes, swellfishes, etc. fishes, and sea hedgehogs.

Like or pertaining to the genus Diodon. -- n.

A genus of large sea birds, including the albatross. See Albatross.

A genus of plants. See Yam.

A genus of harmless colubrine snakes.

A genus of trees found in the East Indies, some species of which produce a fragrant resin, other species wood oil. The fruit has two long wings.

A genus of Branchiopoda, having a disklike shell, attached by one valve, which is perforated by the peduncle.

A genus of parasitic, trematode worms, having two suckers for attaching themselves to the part they infest. See 1st Fluke,

Any bird of certain genera, as Urinator (formerly Colymbus), or the allied genus Colymbus, or Podiceps, remarkable for their agility in diving.

To separate into species; -- said of a genus or generic term.

The separation of a genus into its constituent species.