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action, polarization, interference, etc., are attributable to the different affections of these undulations in different circumstances of propagation. It is computed that the frequency of the undulations corresponding to the several colors of the spectrum ranges from 458 millions of millions per second for the extreme…

Hoofed, or bearing hoofs; -- used only when these are of a tincture different from the body.

or of story and propriety of representation are preserved; conformity in a composition to these; in oratory, discourse, etc., the due subordination and reference of every part to the development of the leading idea or the eastablishment of the main proposition.

o release (a person) from the influence of a spell; to disenchant. [R.] Such practices as these, . . . The more judicious Israelites unspelled. Dryden.

h the upper part undermost; hence, in confusion; in complete disorder; topsy-turvy. Shak. These that have turned the world upside down are come hither also. Acts xvii. 6.

Fig.: Any place of burial; the grave. Or lay these bones in an unworthy urn, Tombless, with no remembrance over them. Shak.

Common occurrence; ordinary experience. [R.] O Cæsar! these things are beyond all use. Shak.

scorts persons to seats in a church, theater, etc. "The ushers and the squires." Chaucer. These are the ushers of Marcius. Shak.

racles was a thing very usual and frequent in their times. Hooker. We can make friends of these usual enemies. Baxter. -- U"su*al*ly, adv. -- U"su*al*ness, n.

Vocal expression; articulation; speech. At length gave utterance to these words. Milton.

cies of South American blood- sucking bats belonging to the genera Desmodus and Diphylla. These bats are destitute of molar teeth, but have strong, sharp cutting incisors with which they make punctured wounds from which they suck the blood of horses, cattle, and other animals, as well as man, chiefly during sleep. They…

species of handsomely colored butterflies belonging to Vanessa and allied genera. Many of these species have the edges of the wings irregularly scalloped.

To be annihilated or lost; to pass away. "All these delights will vanish." Milton.

r nerves, stimulation of which causes constriction of the blood vessels to which they go. These nerves are also called vasohypertonic. n.

lator nerves, stimulation of which causes dilation of the blood vessels to which they go. These nerves are also called vaso- inhibitory, and vasohypotonic nerves, since their stimulation causes relaxation and rest.

(Zoöl.), any serpent which has poison glands and fangs, whether dangerous to man or not. These serpents constitute two tribes, the viperine serpents, or Solenoglypha, and the cobralike serpents, or Proteroglypha. The former have perforated, erectile fangs situated in the front part of the upper jaw, and are without or…

bringing out to view or examination; free discussion; public exposure. The ventilation of these points diffused them to the knowledge of the world. Bp. Hall.

ig.: Any cavity, or hollow place, in which any function may be conceived of as operating. These [ideas] are begot on the ventricle of memory. Shak.

numerous species of marine bivalve shells of the genus Venus or family Veneridæ. Many of these shells are large, and ornamented with beautiful frills; others are smooth, glossy, and handsomely colored. Some of the larger species, as the round clam, or quahog, are valued for food. Venus's basin (Bot.), the wild teasel;…

Decision; judgment; opinion pronounced; as, to be condemned by the verdict of the public. These were enormities condemned by the most natural verdict of common humanity. South. Two generations have since confirmed the verdict which was pronounced on that night. Macaulay.