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A shark of the genus Sphyrna or Zygæna, having the eyes set on projections from the sides of the head, which gives it a hammer shape. The Sphyrna zygæna is found in the North Atlantic. Called also hammer fish, and balance fish.

A tree of the genus Carpinus, of compact, horny texture; hornbeam.

A rodent of the genus Lepus, having long hind legs, a short tail, and a divided upper lip. It is a timid animal, moves swiftly by leaps, and is remarkable for its fecundity.

e common string bean (Phaseolus vulgaris), used as a vegetable. Other species of the same genus furnish different kinds of haricots.

s are called bluesides. -- Harp shell (Zoöl.), a beautiful marine gastropod shell of the genus Harpa, of several species, found in tropical seas. See Harpa.

A genus of marine univalve shells; the harp shells; -- so called from the form of the shells, and their ornamental ribs.

a). It ranges from Texas to Brazil. Harpy bat (Zoöl.) (a) An East Indian fruit bat of the genus Harpyia (esp. H. cerphalotes), having prominent, tubular nostrils. (b) A small, insectivorous Indian bat (Harpiocephalus harpia). Harpy fly (Zoöl.), the house fly.

One of several species of hawks or buzzards of the genus Circus which fly low and harry small animals or birds, -- as the European marsh harrier (Circus ærunginosus), and the hen harrier (C. cyaneus). Harrier hawk(Micrastur.

a. Also applied to the dollar fish. -- Harvest fly (Zoöl.), an hemipterous insect of the genus Cicada, often called locust. See Cicada. -- Harvest lord, the head reaper at a harvest. [Obs.] Tusser. -- Harvest mite (Zoöl.), a minute European mite (Leptus autumnalis), of a bright crimson color, which is troublesome by…

A plant of the genus Hieracium; -- so called from the ancient belief that birds of prey used its juice to strengthen their vision.

A shrub or small tree of the genus Corylus, as the C. avellana, bearing a nut containing a kernel of a mild, farinaceous taste; the filbert. The American species are C. Americana, which produces the common hazelnut, and C. rostrata. See Filbert. Gray.

A climbing plant of the genus Cardiospermum, having round seeds which are marked with a spot like a heart. Loudon.

Also, any species of the genus Erica, of which several are European, and many more are South African, some of great beauty. See Illust. of Heather.

, and Isabella moth. -- Hedgehog fish (Zoöl.), any spinose plectognath fish, esp. of the genus Diodon; the porcupine fish. -- Hedgehog grass (Bot.), a grass with spiny involucres, growing on sandy shores; burgrass (Cenchrus tribuloides). -- Hedgehog rat (Zoöl.), one of several West Indian rodents, allied to the porc…

A genus of composite plants, with shining, commonly white or yellow, or sometimes reddish, radiated involucres, which are often called "everlasting flowers."

One of numerous species of Heliconius, a genus of tropical American butterflies. The wings are usually black, marked with green, crimson, and white.

Like or pertaining to the butterflies of the genus Heliconius.

A fossil coral of the genus Heliolites, having twelve-rayed cells. It is found in the Silurian rocks.

A plant of the genus Heliotropium; -- called also turnsole and girasole. H. Peruvianum is the commonly cultivated species with fragrant flowers.

A genus of land snails, including a large number of species.