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and many other stone fruits. It lays its eggs in crescent-shaped incisions made with its jaws. The larva lives upon the pulp around the stone. Called also turk, and plum curculio. See Illust. under Curculio.

A division of marsupials in which there are more fore incisor teeth in each jaw.

rous load; the ponderous elephant. The sepulcher . . . Hath oped his ponderous and marble jaws. Shak.

ddle line between the nose and mouth, forming the anterior part of each half of the upper jawbone; the intermaxilla. In man the premaxillæ become united and form the incisor part of the maxillary bone.

A comprehensive group of mankind, including those that have prognathous jaws.

Projection of the jaws. -- Prog"na*thy, n.

Having the jaws projecting beyond the upper part of the face; - - opposed to orthognathous. See Gnathic index, under Gnathic. Their countenances had the true prognathous character. Kane.

A South Africa genus of Carnivora, allied to the hyenas, but smaller and having weaker jaws and teeth. It includes the aard-wolf.

that have permanently erect grooved poison fangs, with ordinary teeth behind them in the jaws. It includes the cobras, the asps, and the sea snakes. Called also Proteroglyphia.

nares, but serves to connect the palatine bones with the point of suspension of the lower jaw. -- Pterygoid process (Anat.), a process projecting downward from either side of the sphenoid bone, in man divided into two plates, an inner and an outer. The posterior nares pass through the space, called the pterygoid fossa…

Of or pertaining to the inner pterygoid plate, or pterygoid bone, and the lower jaw.

-- Punch pliers, pliers having a tubular, sharp-edged steel punch attached to one of the jaws, for perforating leather, paper, and the like.

on quadrate to both." Harvey. Quadrate bone (Anat.), a bone between the base of the lower jaw and the skull in most vertebrates below the mammals. In reptiles and birds it articulates the lower jaw with the skull; in mammals it is represented by the malleus or incus.

The quadratojugal bone. Quadratojugal bone (Anat.), a bone at the base of the lower jaw in many animals.

A suborder of leeches including those that have a protractile proboscis, without jaws. Clepsine is the type.

An order of mammals having two (rarely four) large incisor teeth in each jaw, distant from the molar teeth. The rats, squirrels, rabbits, marmots, and beavers belong to this order.

lender marine fish (Scombresox saurus) of Europe and America. It has long, thin, beaklike jaws. Called also billfish, gowdnook, gawnook, skipper, skipjack, skopster, lizard fish, and Egypt herring.

ults. -- Screw wrench. (a) A wrench for turning a screw. (b) A wrench with an adjustable jaw that is moved by a screw. -- To put the screw, or screws, on, to use pressure upon, as for the purpose of extortion; to coerce. -- To put under the screw or screws, to subject to presure; to force. -- Wood screw, a metal sc…

stable chuck, applicable to a lathe spindle, for centering and holding work, in which the jaws are adjusted and tightened simultaneously by turning a disk having in its face a spiral groove which is entered by teeth on the backs of the jaws. -- Scroll saw. See under Saw.

nd the suborder Tardigrada. They have long exserted limbs and long prehensile claws. Both jaws are furnished with teeth (see Illust. of Edentata), and the ears and tail are rudimentary. They inhabit South and Central America and Mexico.