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Confined to a fresh-water lake by reason of waterfalls or dams; -- said of fishes that would naturally seek the sea, after spawning; as, the landlocked salmon.

One of several species of East Indian and Asiatic fresh-water fishes of the genus Ophiocephalus, remarkable for their power of living out of water, and for their tenacity of life; -- called also walking fishes.

A genus of fresh-water air-breathing mollusks, abundant in ponds and streams; -- called also pond snail. [Written also Lymnæa.]

Any one of several small, fresh-water, cyprinoid fishes of the genera Cobitis, Nemachilus, and allied genera, having six or more barbules around the mouth. They are found in Europe and Asia. The common European species (N. barbatulus) is used as a food fish.

rn waters, belonging to Palinurus, Panulirus, and allied genera, have no large claws. The fresh-water crayfishes are sometimes called lobsters. Lobster caterpillar (Zoöl.), the caterpillar of a European bombycid moth (Stauropus fagi); -- so called from its form. Lobster louse (Zoöl.), a copepod crustacean (Nicothoë ast…

The fresh-water drumfish (Haploidonotus grunniens).

mouse hawk. (b) The marsh harrier. -- Marsh hen (Zoöl.), a rail; esp., Rallus elegans of fresh-water marshes, and R. longirostris of salt-water marshes. -- Marsh mallow (Bot.), a plant of the genus Althæa ( A. officinalis) common in marshes near the seashore, and whose root is much used in medicine as a demulcent. -…

One of a family of fresh-water pectinibranchiate mollusks, having a turret-shaped shell.

The hen harrier. [Prov. Eng.] Miller's thumb. (Zoöl.) (a) A small fresh-water fish of the genus Uranidea (formerly Cottus), as the European species (U. gobio), and the American (U. gracilis); -- called also bullhead. (b) A small bird, as the gold-crest, chiff- chaff, and long-tailed tit. [Prov. Eng.]…

A small European fresh-water cyprinoid fish (Phoxinus lævis, formerly Leuciscus phoxinus); sometimes applied also to the young of larger kinds; -- called also minim and minny. The name is also applied to several allied American species, of the genera Phoxinus, Notropis, or Minnilus, and Rhinichthys.…

Any species of American fresh-water fishes of the genus Hyodon, esp. H. tergisus of the Great Lakes and adjacent waters.

A fresh-water alga (Cladophora Ægagropila) which forms a globular mass.

Earth and water mixed so as to be soft and adhesive. Mud bass (Zoöl.), a fresh-water fish (Acantharchum pomotis) of the Eastern United States. It produces a deep grunting note. -- Mud bath, an immersion of the body, or some part of it, in mud charged with medicinal agents, as a remedy for disease. -- Mud boat, a larg…

eaves smelling strongly of musk. -- Musk tortoise, Musk turtle (Zoöl.), a small American fresh-water tortoise (Armochelys, or Ozotheca, odorata), which has a distinct odor of musk; -- called also stinkpot.

Any one of numerous species of Unio, and related fresh-water genera; -- called also river mussel. See Naiad, and Unio. Mussel digger (Zoöl.), the grayback whale. See Gray whale, under Gray.

Any one of numerous species of small, fresh-water, chætopod annelids of the tribe Naidina. They belong to the Oligochæta.

A genus of plants found in the fresh-water ponds or lakes of Europe, Asia, and North America; the yellow water lily. Cf. Nymphaea.

ained in a small cavity of the bone on each side of the lower part of the back of a fowl. Fresh-water oyster (Zoöl.), any species of the genus Etheria, and allied genera, found in rivers of Africa and South America. They are irregular in form, and attach themselves to rocks like oysters, but they have a pearly interior…

filaments. See Bird of paradise in the Vocabulary. -- Paradise fish (Zoöl.), a beautiful fresh-water Asiatic fish (Macropodus viridiauratus) having very large fins. It is often kept alive as an ornamental fish. -- Paradise flycatcher (Zoöl.), any flycatcher of the genus Terpsiphone, having the middle tail feathers ex…

A genus of fishes, including the fresh-water perch.