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iate Mollusca, in which the gills form a wreath or cluster upon the posterior part of the back. See Nudibranchiata, and Doris.

A microscopic, bacterial organism (Bacillus anthracis), resembling transparent rods. [See Illust. under Bacillus.]

A fluid vaccine obtained by growing a bacterium (Bacterium anthracis) in beef broth. It is used to immunize animals, esp. cattle.

bstances in the blood which act in antagonism to harmful foreign bodies, as toxins or the bacteria producing the toxins. Normal blood serum apparently contains variousantibodies, and the introduction of toxins or of foreign cells also results in the development of their specific antibodies.

d from immunized horses; antibubonic vaccine, a sterilized bouillon culture of the plague bacillus; antibubonic measures.

Destructive to, or hindering the growth of, diphtheria bacilli. -- n.

A cover for the back or arms of a chair or sofa, etc., to prevent them from being soiled by macassar or other oil from the hair.

y mask, or grotesque interlude, between the parts of a serious mask. [Written also anue.] Bacon.

An antithetic or contrasted statement. Bacon.

g immunity from certain diseases, or of counteracting the poisonous effects of pathogenic bacteria.

orated; a hole; as, an aperture in a wall. An aperture between the mountains. Gilpin. The back aperture of the nostrils. Owen.

An apophlegmatic. [Obs.] Bacon.

creed of unknown origin, which was formerly ascribed to the apostles. It certainly dates back to the beginning of the sixth century, and some assert that it can be found in the writings of Ambrose in the fourth century. -- Apostle spoon (Antiq.), a spoon of silver, with the handle terminating in the figure of an apos…

Depression occasioned by terror; dismay. [Obs.] Bacon.

call for help or a favor; entreaty. A kind of appeal to the Deity, the author of wonders. Bacon.

Probability; likelihood. [Obs.] There is that which hath no appearance. Bacon.

Tendency; appetency. [Obs.] In all bodies there as an appetite of union. Bacon.

A access, or opportunity of drawing near. The approach to kings and principal persons. Bacon.

To quicken; to prompt. [Obs.] To appromt our invention. Bacon.

to land. Tomlins. Bouvier. Burrill. Globes . . . provided as appurtenances to astronomy. Bacon. The structure of the eye, and of its appurtenances. Reid.