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genus of extinct Cretaceous fishes; -- so named from their spear-shaped teeth. They were allied to the pike (Esox).

(Zoöl.), one of a group of neuropterous insects, belonging to the genus Ephemera and many allied genera, which live in the adult or winged state only for a short time. The larvæ are aquatic; -- called also day fly and May fly.

A genus of highly ornate and brilliantly colored birds of Australia, allied to the birds of Paradise.

A valuable fur-bearing animal of the genus Mustela (M. erminea), allied to the weasel; the stoat. It is found in the northern parts of Asia, Europe, and America. In summer it is brown, but in winter it becomes white, except the tip of the tail, which is always black.

Any fish of the genus Etheostoma and related genera, allied to the perches; -- also called darter. The etheostomoids are small and often bright-colored fishes inhabiting the fresh waters of North America. About seventy species are known. See Darter.

A genus of Cretaceous fossil shells allied to oysters.

A viverrine mammal of Madagascar (Eupleres Goudotii), allied to the civet; -- called also Falanouc.

lus bullaris); - - called also silver chub, and Shiner. The name is also applied to other allied species.

A European marine fish (Cottus bubalis), allied to the sculpin; -- called also lucky proach.

arge, venomous serpent (Trigonocephalus lanceolatus) of Brazil and the West Indies. It is allied to the rattlesnake, but has no rattle.

A perennial plant (Pyrethrum, or Chrysanthemum, Parthenium) allied to camomile, having finely divided leaves and white blossoms; -- so named from its supposed febrifugal qualities.

Of, pertaining to, or caused by, filariæ and allied parasitic worms.

Any plectognath fish of the genera Monacanthus, Alutera, balistes, and allied genera; -- so called on account of the roughly granulated skin, which is sometimes used in place of sandpaper.

Any whale of the genera Sibbaldius, Balænoptera, and allied genera, of the family Balænopteridæ, characterized by a prominent fin on the back. The common finbacks of the New England coast are Sibbaldius tectirostris and S. tuberosus.

A South American bird (heliornis fulica) allied to the grebes. The name is also applied to several related species of the genus Podica.

A plant in new Zealand (Phormium tenax), allied to the lilies and aloes. The leaves are two inches wide and several feet long, and furnish a fiber which is used for making ropes, mats, and coarse cloth.

e injurious to crops. -- Flower bird (Zoöl.), an Australian bird of the genus Anthornis, allied to the honey eaters. -- Flower bud, an unopened flower. -- Flower clock, an assemblage of flowers which open and close at different hours of the day, thus indicating the time. -- Flower head (Bot.), a compound flower in…

tising sheet; a handbill. -- Fly snapper (Zoöl.), an American bird (Phainopepla nitens), allied to the chatterers and shrikes. The male is glossy blue-black; the female brownish gray. -- Fly wheel (Mach.), a heavy wheel attached to machinery to equalize the movement (opposing any sudden acceleration by its inertia an…

A lepidopterous insect belonging to Alypia and allied genera; as, the eight-spotted forester (A. octomaculata), which in the larval state is injurious to the grapevine.

One of several Asiatic and East Indian passerine birds, belonging to Enucurus, and allied genera. The tail is deeply forking.