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use, esp. the phylloxera that injuries the grapevine. -- Vine grub (Zoöl.), any one of numerous species of insect larvæ that are injurious to the grapevine. -- Vine hopper (Zoöl.), any one of several species of leaf hoppers which suck the sap of the grapevine, especially Erythroneura vitis. See Illust. of Grape hoppe…

Any one of numerous species of small violet-colored butterflies belonging to Lycæna, or Rusticus, and allied genera.

Any one of numerous species of Old World venomous makes belonging to Vipera, Clotho, Daboia, and other genera of the family Viperidæ. There came a viper out of the heat, and fastened on his hand. Acts xxviii. 3.

Any one of numerous species of American singing birds belonging to Vireo and allied genera of the family Vireonidæ. In many of the species the back is greenish, or olive-colored. Called also greenlet.

Any one of numerous species of long, slender Alcyonaria belonging to Virgularia and allied genera of the family Virgularidæ. These corals are allied to the sea-pens, but have a long rodlike rhachis inclosing a slender, round or square, calcareous axis. The polyps are arranged in transverse rows or clusters along each s…

A member of the most numerous of the native races of the Philippines, occupying the Visayan Islands and the northern coast Mindanao; also, their language. The Visayans possessed a native culture and alphabet.

Vitreous humor. (Anat.) See the Note under Eye. -- Vitreous sponge (Zoöl.), any one of numerous species of siliceous sponges having, often fibrous, glassy spicules which are normally six-rayed; a hexactinellid sponge. See Venus's basket, under Venus.

ous. Viviparous fish. (Zoöl.) See Embiotocoid. -- Viviparous shell (Zoöl.), any one of numerous species of operculated fresh-water gastropods belonging to Viviparus, Melantho, and allied genera. Their young, when born, have a well-developed spiral shell.

Any one of numerous species of micelike rodents belonging to Arvicola and allied genera of the subfamily Arvicolinæ. They have a thick head, short ears, and a short hairy tail.

Any one of numerous species of large, handsome marine gastropods belonging to Voluta and allied genera.

Any one of numerous species of small Turbellaria belonging to Vortex and allied genera. See Illustration in Appendix. Vortex atom (Chem.), a hypothetical ring-shaped mass of elementary matter in continuous vortical motion. It is conveniently regarded in certain mathematical speculations as the typical form and structur…

Any one of numerous species of ciliated Infusoria belonging to Vorticella and many other genera of the family Vorticellidæ. They have a more or less bell-shaped body with a circle of vibrating cilia around the oral disk. Most of the species have slender, contractile stems, either simple or branched.…

Any one of numerous species of rapacious birds belonging to Vultur, Cathartes, Catharista, and various other genera of the family Vulturidæ.

Any one of numerous species of European moths of the family Leucanidæ.

In South Africa, one of numerous acacias and mimosas.

-- Walking fern. (Bot.) See Walking leaf, below. -- Walking fish (Zoöl.), any one of numerous species of Asiatic fishes of the genus Ophiocephalus, some of which, as O. marulius, become over four feet long. They have a special cavity over the gills lined with a membrane adapted to retain moisture to aid in respirati…

Any one of numerous species of kangaroos belonging to the genus Halmaturus, native of Australia and Tasmania, especially the smaller species, as the brush kangaroo (H. Bennettii) and the pademelon (H. thetidis). The wallabies chiefly inhabit the wooded district and bushy plains. [Written also wallabee, and whallabee.]…

Any one of numerous species of small Old World singing birds belonging to the family Sylviidæ, many of which are noted songsters. The bluethroat, blackcap, reed warbler (see under Reed), and sedge warbler (see under Sedge) are well-known species.

Any one of numerous species of stinging hymenopterous insects, esp. any of the numerous species of the genus Vespa, which includes the true, or social, wasps, some of which are called yellow jackets.

Any one of numerous species of aquatic beetles belonging to Dytiscus and allied genera of the family Dytiscidæ, and to various genera of the family Hydrophilidæ. These beetles swim with great agility, the fringed hind legs acting together like oars.