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with dextrose. It is extracted from the kidney of the dogfish (of the genus Scylium), the shark, and the skate.

The thrasher shark.

The thrasher shark. See Thrasher.

The horny egg case of a skate, and of certain sharks.

An order of elasmobranchs including the sharks and rays; the Plagiostomi. Called also Selacha, Selache, and Selachoidei.

oöl.), an ophiuran; a brittle star. -- Serpent's tongue (Paleon.), the fossil tooth of a shark; -- so called from its resemblance to a tongue with its root. -- Serpent withe (Bot.), a West Indian climbing plant (Aristolochia odoratissima). -- Tree serpent (Zoöl.), any species of African serpents belonging to the fam…

The skin of various small sharks and other fishes when having small, rough, bony scales. The dogfishes of the genus Scyllium furnish a large part of that used in the arts.

To live by shifts and fraud; to shark.

A shark (Sphryna tiburio) allied to the hammerhead, and native of the warmer parts of the Atlantic and Pacific oceans; -- called also bonnet shark.

The common sand shark. See under Snad.

A nurse shark. See under Nurse.

The suborder of elasmobranch fishes which comprises the sharks.

ssil whales belonging to the Phocodontia; -- so called because their are serrated, like a shark's.

Like or pertaining to a shark or sharks.

The basking, or liver, shark.

in a box, the uncovering of which by means of a pedal produces increased sound. -- Swell shark (Zoöl.), a small shark (Scyllium ventricosum) of the west coast of North America, which takes in air when caught, and swells up like a swellfish.

The thrasher, or fox shark. See Thrasher.

A large and voracious shark (Alopias vulpes), remarkable for the great length of the upper lobe of its tail, with which it beats, or thrashes, its prey. It is found both upon the American and the European coasts. Called also fox shark, sea ape, sea fox, slasher, swingle-tail, and thrasher shark.

and white or with other conspicuous colors. The larvæ are called woolly bears. -- Tiger shark (Zoöl.), a voracious shark (Galeocerdo maculatus or tigrinus) more or less barred or spotted with yellow. It is found in both the Atlantic and Indian Ocean. Called also zebra shark. -- Tiger shell (Zoöl.), a large and consp…

d crosspiece in a mortise near the point to prevent it from being drawn out when a whale, shark, or other animal, is harpooned. -- Toggle joint, an elbow or knee joint, consisting of two bars so connected that they may be brought quite or nearly into a straight line, and made to produce great endwise pressure, when an…