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An extensive division of Mammalia. It formerly included the Proboscidea, Hyracoidea, Perissodactyla, and Artiodactyla, but by later writers it is generally restricted to the two latter groups (Ungulata). They feed almost exclusively upon vegetation.

stalk of wheat, and are very destructive to young wheat; -- so called from the erroneous idea that it was brought into America by the Hessian troops, during the Revolution.

hieroglyphic proper, or figurative, in which the representation of the object conveys the idea of the object itself; second, the ideographic, consisting of symbols representing ideas, not sounds, as an ostrich feather is a symbol of truth; third, the phonetic, consisting of symbols employed as syllables of a word, or a…

Elated with great ideas or hopes. Milton.

One of the Holothurioidea.

persons or things crowded together in a confused manner; tumult; confusion. "A huddle of ideas." Addison.

That quality of the imagination which gives to ideas an incongruous or fantastic turn, and tends to excite laughter or mirth by ludicrous images or representations; a playful fancy; facetiousness. For thy sake I admit That a Scot may have humor, I'd almost said wit. Goldsmith. A great deal of excellent humor was expend…

lony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.

hollow stem of a hydroid, either simple or branched. See Illust. of Gymnoblastea and Hydroidea.

A division of Hydroidea, including those genera that secrete a stony coral, as Millepora and Stylaster. Two forms of zooids in life project from small pores in the coral and resemble those of other hydroids. See Millepora.

Related to, or resembling, the hydra; of or pertaining to the Hydroidea. -- n.

The Hydroidea.

or decumbent stem by which a hydroid is attached to other objects. See Illust. under Hydroidea.

One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian.

The Acalephæ; one of the classes of coelenterates, including the Hydroidea, Discophora, and Siphonophora.

Pertaining both to the hyoidean arch and the mandible or lower jaw; as, the hyomandibular bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes. -- n.

Pertaining to one or more small elements in the hyoidean arch of fishes, between the caratohyal and urohyal. -- n.

Of or pertaining to the Hyracoidea. -- n.

f the genus Hyrax, of which about four species are known. They constitute the order Hyracoidea. The best known species are the daman (H. Syriacus) of Palestine, and the klipdas (H. capensis) of South Africa. Other species are H. arboreus and H. Sylvestris, the former from Southern, and the latter from Western, Africa.…

solid, I say that you make an identical proposition, because it is impossible to have the idea of body without that of solidity. Fleming. Identical equation (Alg.), an equation which is true for all values of the algebraic symbols which enter into it.