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A genus of echinoderms, including the common edible sea urchin of Europe.

A division of Annelida which includes the genus Echiurus and allies. They are often classed among the Gephyrea, and called the armed Gephyreans.

ated fish of many genera and species. The common eels of Europe and America belong to the genus Anguilla. The electrical eel is a species of Gymnotus. The so called vinegar eel is a minute nematode worm. See Conger eel, Electric eel, and Gymnotus.

A European lizard of the genus Seps.

A smooth, white, marine, gastropod shell of the genus Ovulum, resembling an egg in form.

Any species of sea duck of the genus Somateria, esp. Somateria mollissima, which breeds in the northern parts of Europe and America, and lines its nest with fine down (taken from its own body) which is an article of commerce; -- called also eider duck. The American eider (S. Dresseri), the king eider (S. spectabilis),…

A genus of shrubs or small trees, having the foliage covered with small silvery scales; oleaster.

A genus of palms.

A kite of the genus Elanus.

A genus of venomous snakes found both in America and the Old World. Many species are known. See Coral snake, under Coral.

A genus of shrubs (Sambucus) having broad umbels of white flowers, and small black or red berries.

e. -- Electric cat (Zoöl.), one of three or more large species of African catfish of the genus Malapterurus (esp. M. electricus of the Nile). They have a large electrical organ and are able to give powerful shocks; -- called also sheathfish. -- Electric clock. See under Clock, and see Electro-chronograph. -- Electri…

remains of elephants. Mantell. -- Elephant beetle (Zoöl.), any very large beetle of the genus Goliathus (esp. G. giganteus), of the family Scarabæidæ. They inhabit West Africa. -- Elephant fish (Zoöl.), a chimæroid fish (Callorhynchus antarcticus), with a proboscis-like projection of the snout. -- Elephant paper, p…

A tree of the genus Ulmus, of several species, much used as a shade tree, particularly in America. The English elm is Ulmus campestris; the common American or white elm is U. Americana; the slippery or red elm, U. fulva. Elm beetle (Zoöl.), one of several species of beetles (esp. Galeruca calmariensis), which feed on t…

A genus of fishes. See Saury.

antment. Like ghosts from an enchanter fleeing. Shelley. Enchanter's nightshade (Bot.), a genus (Circæa) of low inconspicuous, perennial plants, found in damp, shady places.

A genus of extinct Cretaceous fishes; -- so named from their spear-shaped teeth. They were allied to the pike (Esox).

A fossil crinoid, esp. one belonging to, or resembling, the genus Encrinus. Sometimes used in a general sense for any crinoid.

A genus of fossil encrinoidea, from the Mesozoic rocks.

which are formed by diverticula of the alimentary canal. Balanoglossus is the only known genus. See Illustration in Appendix.