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culata) is larger and has similar habits. Hornet fly (Zoöl.), any dipterous insect of the genus Asilus, and allied genera, of which there are numerous species. They are large and fierce flies which capture bees and other insects, often larger than themselves, and suck their blood. Called also hawk fly, robber fly. --…

A bryozoan of the genus Flustra.

Any North American river chub of the genus Hybopsis, esp. H. biguttatus.

A hoofed quadruped of the genus Equus; especially, the domestic horse (E. caballus), which was domesticated in Egypt and Asia at a very early period. It has six broad molars, on each side of each jaw, with six incisors, and two canine teeth, both above and below. The mares usually have the canine teeth rudimentary or w…

A land crab of the genus Ocypoda, living on the coast of Brazil and the West Indies, noted for running very swiftly.

A plant of the genus Nasturtium (N. Armoracia), allied to scurvy grass, having a root of a pungent taste, much used, when grated, as a condiment and in medicine. Gray. Horse-radish tree. (Bot.) See Moringa.

of a horsehoe. -- Horsehoe nail. See Horsenail. -- Horsehoe nose (Zoöl.), a bat of the genus Rhinolophus, having a nasal fold of skin shaped like a horsehoe.

A leafless plant, with hollow and rushlike stems. It is of the genus Equisetum, and is allied to the ferns. See Illust. of Equisetum.

remarkable for its clicking sounds. Hottentot cherry (Bot.), a South African plant of the genus Cassine (C. maurocenia), having handsome foliage, with generally inconspicuous white or green flowers. Loudon. -- Hottentot's bread. (Bot.) See Elephant's foot (a), under Elephant.

Any small shark of the genus Galeus or Mustelus, of which there are several species, as the smooth houndfish (G. canis), of Europe and America; -- called also houndshark, and dogfish.

A succulent plant of the genus Sempervivum (S. tectorum), originally a native of subalpine Europe, but now found very generally on old walls and roofs. It is very tenacious of life under drought and heat; -- called also ayegreen.

A genus of small rubiaceous herbs, having tetramerous salveform blue or white flower. There are about twenty species, natives of North America. Also, a plant of this genus.

Any South American monkey of the genus Mycetes. Many species are known. They are arboreal in their habits, and are noted for the loud, discordant howling in which they indulge at night.

The edible black or dark blue fruit of several species of the American genus Gaylussacia, shrubs nearly related to the blueberries (Vaccinium), and formerly confused with them. The commonest huckelberry comes from G. resinosa.

be a happy nation. Washington. Humble plant (Bot.), a species of sensitive plant, of the genus Mimosa (M. sensitiva). -- To eat humble pie, to endure mortification; to submit or apologize abjectly; to yield passively to insult or humilitation; -- a phrase derived from a pie made of the entrails or humbles of a deer,…

A fragrant balsam obtained from Brazilian trees of the genus Humirium.

Any whale of the genus Megaptera, characterized by a hump or bunch on the back. Several species are known. The most common ones in the North Atlantic are Megaptera longimana of Europe, and M. osphyia of America; that of the California coasts is M. versabilis.

A bulbous plant of the genus Hyacinthus, bearing beautiful spikes of fragrant flowers. H. orientalis is a common variety.

A pteroid of the genus Cavolina. See Pteropoda, and Illustration in Appendix.

A genus of hexactinelline sponges, having a long stem composed of very long, slender, transparent, siliceous fibres twisted together like the strands of a color. The stem of the Japanese species (H. Sieboldii), called glass-rope, has long been in use as an ornament. See Glass-rope.