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

uced with the premises themselves, and the conclusion is derived in the ordinary manner. [Written also epicheirema.]

In insects: The lateral piece behind the episternum. [Written also epimerum.]

of the genus Æpiornis, only recently extinct. Its remains have been found in Madagascar. [Written also Æpyornis.]

A writing directed or sent to a person or persons; a written communication; a letter; -- applied usually to formal, didactic, or elegant letters. A madman's epistles are no gospels. Shak.

To rub or scrape out, as letters or characters written, engraved, or painted; to efface; to expunge; to cross out; as, to erase a word or a name.

An avenging deity; one of the Furies; sometimes, conscience personified. [Written also Erinnys.]

oup of chætopod annelids, including those that are not confined to tubes. See Chætopoda. [Written also Errantes.]

es over the surface of the country. Similar ridges in Scotland are called kames or kams. [Written also eskar and esker.]

A deed, bond, or other written engagement, delivered to a third person, to be held by him till some act is done or some condition is performed, and then to be by him delivered to the grantee. Blackstone.

ocastanum, or horse- chestnut, and characterized by its fine blue fluorescent solutions. [Written also æsculin.]

That part of a vessel's stern on which her name is written. R. H. Dane, Jr.

Arctic America and Greenland. In many respects the Eskimos resemble the Mongolian race. [Written also Esquimau.] Eskimo dog (Zoöl.), one of breed of large and powerful dogs used by the Eskimos to draw sledges. It closely resembles the gray wolf, with which it is often crossed.

Pertaining to the esophagus. [Written also .]

esophagus, for the purpose of removing any foreign substance that obstructs the passage. [Written also oesophagotomy.]

harynx and the stomach; the gullet. See Illust. of Digestive apparatus, under Digestive. [Written also .]

A six-pointed star whose rays are wavy, instead of straight like those of a mullet. [Written also étoile.] Estoile of eight points, a star which has four straight and four wavy rays. -- Estoile of four points. Same as Cross estoilé, under Cross.

One who is versed in ethics, or has written on ethics.

ck substance; -- formerly applied to various preparations of a black or very dark color. [Written also Æthiops.] [Obs.] Ethiops martial (Old Chem.), black oxide of iron. -- Ethiops mineral (Old Chem.), black sulphide of mercury, obtained by triturating mercury with sulphur. -- Ethiops per se (Old Chem.), mercury in f…

An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.