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Any one of numerous species of fossil brachipods of the genus Spirifer, or Delthyris, and allied genera, in which the long calcareous supports of the arms form a large spiral, or helix, on each side.

Any one of numerous species of Spongiæ, or Porifera. See Illust. and Note under Spongiæ.

Any one of numerous species of small apterous insects belonging to the order Thysanura. They have two elastic caudal stylets which can be bent under the abdomen and then suddenly extended like a spring, thus enabling them to leap to a considerable distance. See Collembola, and Podura.

Any one of numerous species of ten-armed cephalopods having a long, tapered body, and a caudal fin on each side; especially, any species of Loligo, Ommastrephes, and related genera. See Calamary, Decacerata, Dibranchiata.

Any one of numerous stomapod crustaceans of the genus Squilla and allied genera. They make burrows in mud or beneath stones on the seashore. Called also mantis shrimp. See Illust. under Stomapoda.

Any one of numerous species of small rodents belonging to the genus Sciurus and several allied genera of the famly Sciuridæ. Squirrels generally have a bushy tail, large erect ears, and strong hind legs. They are commonly arboreal in their habits, but many species live in burrows.

The European wren. [Prov. Eng.] Stag beetle (Zoöl.), any one of numerous species of lamellicorn beetles belonging to Lucanus and allied genera, especially L. cervus of Europe and L. dama of the United States. The mandibles are large and branched, or forked, whence the name. The lava feeds on the rotten wood of dead tre…

Any one of numerous species of echinoderms belonging to the class Asterioidea, in which the body is star-shaped and usually has five rays, though the number of rays varies from five to forty or more. The rays are often long, but are sometimes so short as to appear only as angles to the disklike body. Called also sea st…

Any one of numerous species of small fishes of the genus Gasterosteus and allied genera. The back is armed with two or more sharp spines. They inhabit both salt and brackish water, and construct curious nests. Called also sticklebag, sharpling, and prickleback.

Any one of numerous rays of the family Dasyatidæ, syn. Trygonidæ, having one or more large sharp barbed dorsal spines, on the whiplike tail, capable of inflicting severe wounds. Some species reach a large size, and some, esp., on the American Pacific coast, are very destructive to oysters.

Any one of numerous species of large cartilaginous ganoid fishes belonging to Acipenser and allied genera of the family Acipenseridæ. They run up rivers to spawn, and are common on the coasts and in the large rivers and lakes of North America, Europe, and Asia. Caviare is prepared from the roe, and isinglass from the a…

Any one of numerous species of delicate, usually pink, calcareous hydroid corals of the genus Stylaster.

Any one of numerous species of North American fresh-water cyprinoid fishes of the family Catostomidæ; so called because the lips are protrusile. The flesh is coarse, and they are of little value as food. The most common species of the Eastern United States are the northern sucker (Catostomus Commersoni), the white suck…

Any one of numerous species of yellow or orange butterflies of the subfamily Pierinæ; as, the clouded sulphur (Eurymus, or Colias, philodice), which is the common yellow butterfly of the Eastern United States. Amorphous sulphur (Chem.), an elastic variety of sulphur of a resinous appearance, obtained by pouring melted…

everal species of starfishes belonging to Solaster, Crossaster, and allied genera, having numerous rays. -- Sun trout (Zoöl.), the squeteague. -- Sun wheel. (Mach.) See Sun and planet wheels, above. -- Under the sun, in the world; on earth. "There is no new thing under the sun." Eccl. i. 9.

Any one of numerous species of small brilliantly colored birds of the family Nectariniidæ, native of Africa, Southern Asia, the East Indies, and Australia. In external appearance and habits they somewhat resemble humming birds, but they are true singing birds (Oscines).

Any one of numerous species of perch-like North American fresh- water fishes of the family Centrachidæ. They have a broad, compressed body, and strong dorsal spines. Among the common species of the Eastern United States are Lepomis gibbosus (called also bream, pondfish, pumpkin seed, and sunny), the blue sunfish, or do…

An overcharge; an excessive load or burden; a load greater than can well be borne. A numerous nobility causeth poverty and inconvenience in a state, for it is surcharge of expense. Bacon.

-- called also surf scoter. See the Note under Scoter. -- Surf fish (Zoöl.), any one of numerous species of California embiotocoid fishes. See Embiotocoid. -- Surf smelt. (Zoöl.) See Smelt. -- Surf whiting. (Zoöl.) See under Whiting.

Any one of numerous species of chætodont fishes of the family Teuthidæ, or Acanthuridæ, which have one or two sharp lancelike spines on each side of the base of the tail. Called also surgeon fish, doctor fish, lancet fish, and sea surgeon. Surgeon apothecary, one who unites the practice of surgery with that of the apot…