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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.

A genus of nudibranch mollusks having clusters of branchial papillæ along the back. See Ceratobranchia. [Written also Æolis.]

A genus of shrubs, natives of Australia, New Zealand, etc., having pretty white, red, or purple blossoms, and much resembling heaths.

A genus of spiders, including the common garden spider (E. diadema). They spin geometrical webs. See Garden spider.

A genus of insects including the day flies, or ephemeral flies. See Ephemeral fly, under Ephemeral.

Stephen. Ephemeral fly (Zoöl.), one of a group of neuropterous insects, belonging to the genus Ephemera and many allied genera, which live in the adult or winged state only for a short time. The larvæ are aquatic; -- called also day fly and May fly.