the prisoner is discharged. On the prisoner being brought inguilty, proclamation is made for all persons to keep silence, uponwhich the prisoner is again brought to the bar, and the verdict re-peated: alter which sentence is passed on him, and an order orWarrant is made for his execution. The methods of trial, in ourcivil courts, are as follows: viz. The declaration is first drawn forthe plaintiff, and when the appearance of the defendant is entered,it has been usual to deliver it with an imparlance to the defendant’sattorney ; and the term, following rule, is to be given with thesecondary for the defendant to plead by such a day, or else theplaintiff is to have judgment: and the defendant having pleaded,a copy of the issue is made by the plaintiff, and delivered to thedefendant’s attorney, at the same time giving him notice of thetrial; in order to which the venire facias must be taken out andreturned by the sheriff: and likewise the habeas corpora, or dis-tringas, to bring in the jury ; on which the record is made up,and the parlies proceed to trial by their counsel and witnesses; andthe jury give in their verdict, &c. But in case the defendantneglects to plead, and suffers it to go by default, on entering sucha judgment, a writ of inquiry of damages is awarded returnablenext term, notice of the execution whereof the defendant’s at-torney is to have ; and which being executed, and the damagesinserted in a schedule annexed to the writ, a rule is given, andcosts are taxed by the prolhonotary, &c. See Assize , andPleadings.

Trials, Criminal. The regular and ordinary method ofproceeding in the courts of criminal jurisdiction may lie distri-buted under 12 general heads, following each other in a progres-sive order: viz. 1. Arrest; 2. Commitment and hail ; 3. Prose-cution; 4. Process; 5. Arraignment, and its incidents; 6. Plea,and issue; 7. Trial, and conviction; 8. Clergy ; 9. Judgment,audits consequences; 10. Reversal of judgment; 11. Reprieve,or pardon; 12. Execution. See Arrest , Commitment, Pre-sentment, Indictment, Information, Appeal, Processupon an Indictment, Arraignment, and Plea, &c. Seealso the articles Judgment, Attainder, Forfeiture, Exe-cution; also Clergy, Benefit of; Reprieve, and Pardon .

TRtAN DR1A, [from r°us, three, and avaj, a mail or husband,]the name of the third class in Linnaeus 's sexual system, consistingof plants with hermaphrodite dowers, which have three stamina ormale organs. See Botany .

TRIANGLE, in geometry, is a figure of three sides and threeangles; and is either a plane triangle, or a spherical one.

Triangle, Plane, is contained under three right lines.

Triangle, Spherical,Js contained under three arches of agreat circle of the sphere. See Geometry , and Trigonometry.TheTollowing useful proposition, is mentioned by Sir Isaac Newton in his algebra, as necessary to be known by all those who intendto apply Aloebra to Geometry ; If there be any right line BE(fig. 2; Plate CLXXXI.) which bisects the angle ABC of thetriangle ABC, then the square of the said line BE = AB X BG~-AE x EC. Having described a circle about the triangle, andcontinued out the line BE till it cuts the circle in D, and drawnthe line DC, the triangles ABE and BCD will be similar, which'nay be tbus proved : The angle ABE = EBC by construction ;and because the angles BAG and BDC stand upon the same archBC, they will likewise be equal ; and consequently the anglesAEB, BCD, must be equal: tbefore, as AB : BE : : DB : BC,whence, AB x BC=BE X DB. But since AE X EC = BExED from the nature of the circle. And because BE 2 . = DBX BE (=AB X BC)— ED x BE from the third of the second°f Euclid ; therefore AB x BC — AE X EC = BE 2 . S..E.D.

Triangle Island, one of the Bahama Islands . Lon. 69. S3.

Lat. 20. 51. N.

Triangle, in astronomy, one of the forty-eight ancient cony-sfellations, situated in the northern hemisphere. There is also asouthern triangle, in the other hemisphere. See Astronomy.

TRIANGULAR COMPASSES, are such as have three legsor feet, by which any triangle, or three points, may be taken offa t once.

TRlANTIIEMA, Horse-Purslane; in botany, a genus ofPlants, of the class decandria, and order monogynia, naturalurder, Succulents :. ,Calyx mucronate below the tip; corolla; stamina five or ten; germ retuse; capsale, cut round.

here are seven species.

TRIBERG, a town of Suabia, in Brisgau ; 15 miles N. E. ofFriburg , and 15 S. of Freudenstadt.

TR1BESERS, an ancient town of Pomerania , 25 miles fromRostock . Lon. 13. 8. E. Lat. 54. 1. N.

TR1BULUS, Caltrops ; in botany, a genus of plants in theclass decandria, and order monogynia ; natural order, Gruinaies.Calyx five-parted; petals five, spreading; style none; capsulegibbous, many-seeded. There are four species.

TRIBUNE, among the ancient Romans,\ was a magistratechosen out of the commons, to protect them against the oppres-sions of the great, and to defend the liberty of the peojile againstthe attempts of the senate and consuls. The tribunes of the peo-ple were first established A. U. C. 259.

Tribune, Military , an officer in the Roman army, command-er-in.chief over a body of forces, particularly the division of alegion ; much the same with our colonel.

TRICEPS. See Anatomy.

TllICERA, a genus of the class and order monoecia tetran-dria. No corolla; male, calyx four-leaved ; filaments four, ovate ;female calyx five-leaved ; styles conical; capsules three, horned,three-celled. There is one species, a shrub of Jamaica .

TRICHECUS, the Walrue; a genus ;of animals, of theclass mammalia, and order brunt. No fore-teeth, when full-grown ; two great tusks in the upper jaw, which point downwards;grinders on each side in both jaws, which are composed of fur-rowed bones ; body oblong; lips doubled; hindlegs stretchedbackwards, and, as it were, bound togetiier, forming a kind oftail fitted for swimming. There are three species.

T. Dagon, the Indian Walrus, is distinguished by the tuskswhich extend out of the mouth from the upper-jaw being placednear each other. It inhabits the seas lying between the Cape ofGood Hope and the Philippine islands. It feeds on a green sea-moss or weed, which grows near the shore. The figure, man-ners, and history, of this animal, are very imperfectly known.

T. Rosmarus, the Morse, has around head; small mouth ;very thick lips, covered above and below with pellucid bristlesas thick as a straw ; small fiery eyes; two small orifices instead ofears; short neck ; body thick in the middle, tapering towardsthe tai!; skin thick, wrinkled, with short brownish hairs thinlydispersed ; legs short, five toes on each, all connected by webs,and small nails on each : the hind feet are very broad ; each legloosely articulated; the hind legs generally extended on a linewith tiie body : the tail is very short; penis long : length of theanimal from nose to tail sometimes 18 feet, and 10 or 12 round inthe thickest part: the teeth have been sometimes found of theweight of 30lb. each. Teeth of this size are only found on thecoast of the Icy Sea, where the animals are seldom molested, andhave lime to attain their full growth. They inhabit the coast ofSpitzbergen, Nova Zembla , Hudson’s Bay, and the gulf of St.Lawrence ; and the Icy' Sea, as far as Cape Tschuktschi. Theyare gregarious ; in some places appearing in herds of hundreds.See Plate CLXVII. 1 b

TRICH ILIA, a genus of the class and order decandria mono-gynia. Calyx mostly five-toothed; petals five; nectarium tooth-ed ; capsules three-celled, three-valved; seeds berried. Thereare 12 species, trees chiefly of the West-Indies .

TRICH1URUS, a genus of fishes of the order apodes; headstretched forwards, with lateral gill-covers; teetii ensiform, semi-sagittate at the tips; gill-membrane seven-rayed ; body ensiform,compressed, with subulate Unless tail. It has two species.

T. Argent eus, Silver-Trichire. This fish is equally distin-guished by the singularity of its siiape, and brilliancy of its colour :the body is extremely compressed, of a great length, and gradu-ally tapers as it approaches the extremity, till at length it termi-nates in a very fine point: the whole fish, except on the fins, isof the brightest silver-colour: the head is narrow; the mouthvery wide, the lower jaw longer than the upper, and furnishedwith differently-sized teeth, the longest of which are barbed atthe tips bv a s'liarp descending process or hook on one side: thetongue is smooth, longwh, and triangular: in the throat are tworough bones: the eyes are vertical, approximated, and large; thelateral line is of a gold-colour, and, commencing behind the gill-covers, is continued to the tip of the tail. See Plate CXXI.

TRICHOC AH PUS, in botany, a genus of the polyandria di-gynia class and order. Calyx four or five-parted ; corolla none ;

styles