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Having only two nerves, as the wings of some insects.

Having two wings. "Bipennated insects." Derham.

d of Jove, the eagle. -- Bird of Juno, the peacock. -- Bird louse (Zoöl.), a wingless insect of the group Mallophaga, of which the genera and species are very numerous and mostly parasitic upon birds. -- Bird mite (Zoöl.), a small mite (genera Dermanyssus, Dermaleichus and allies) parasitic upon birds. The species a…

A molding whose section is thought to resemble a beak.

An herbaceous plant of the genus Polygonum, section Bistorta; snakeweed; adderwort. Its root is used in medicine as an astringent.

To puncture, abrade, or sting with an organ (of some insects) used in taking food.

ies or diseases of plants, causing the whole or a part to wither, whether occasioned by insects, fungi, or atmospheric influences.

axle which turns but does not communicate motion. Knight. -- Blind beetle, one of the insects apt to fly against people, esp. at night. -- Blind cat (Zoöl.), a species of catfish (Gronias nigrolabris), nearly destitute of eyes, living in caverns in Pennsylvania. -- Blind coal, coal that burns without flame; anthrac…

A section of a railroad where the block system is used. See Block system, below. A block of shares (Stock Exchange), a large number of shares in a stock company, sold in a lump. Bartlett. -- Block printing. (a) A mode of printing (common in China and Japan) from engraved boards by means of a sheet of paper laid on the…

A system by which the track is divided into short sections, as of three or four miles, and trains are so run by the guidance of electric, or combined electric and pneumatic, signals that no train enters a section or block until the preceding train has left it, as in absolute blocking, or that a train may be allowed to…

leeding, as by opening a vein or artery, or by cupping or leeches; -- esp. applied to venesection.

An aquatic hemipterous insect of the genus Notonecta; -- so called from swimming on its back, which gives it the appearance of a little boat. Called also boat fly, boat insect, boatman, and water boatman.

w), the unauthorized removal of a dead body from the grave; usually for the purpose of dissection.

To cry with a hollow note; to make a hollow sound, as the bittern, and some insects. At eve the beetle boometh Athwart the thicket lone. Tennyson.

der or a gun barrel; to bore a hole. Short but very powerful jaws, by means whereof the insect can bore, as with a centerbit, a cylindrical passage through the most solid wood. T. W. Harris.

One of the larvæ of many species of insects, which penetrate trees, as the apple, peach, pine, etc. See Apple borer, under Apple.

A projecting ornament placed at the intersection of the ribs of ceilings, whether vaulted or flat, and in other situations.

A dipterous insect of the family (Estridæ, of many different species, some of which are particularly troublesome to domestic animals, as the horse, ox, and sheep, on which they deposit their eggs. A common species is one of the botflies of the horse (Gastrophilus equi), the larvæ of which (bots) are taken into the stom…

A chamber or section of tube in which a valve works; the bucket of a lifting pump.

Having short antennæ, as certain insects.