(253) -The failure of a party to a contract to disclose a fact relating to it. 1. Simple. - As a general rule, simple concealment, or rather non-disclosure, has no effect on the validity of the contract, (New Brunswick, &c., Co. v. Conybeare, 9 H. L. Cas. 711,) but in certain cases it has. Thus, in the contract of marine insurance, concealment of a material fact, though made without any fraudulent intention, makes it voidable at the insurer's election. Maud & P. Mer. Sh. 398; Sm. Merc. L. 394. See INSURANCE. 2. Fraudulent. - Willful or fraudulent concealment is where the concealment amounts to fraud (q. v.) This occurs where a person has been induced to enter into a contract or the like by means of the concealment by the other party of a fact of which he was aware, and which if disclosed would have prevented the first party from entering into the contract. The effect of fraudulent concealment is to make the Contract voidable at the option of the party deceived. Central Ry. Co. of Venezuela v. Kisch, L. R. 2 H. L. 120; Oakes v. Turquand, Id. 344. 3. Active concealment is where one party takes means to conceal a defect, or otherwise prevent the other party from learning a material fact; or makes a stateCONCEALER.-In English law, concealers are persons who, having obtained grants from the crown of all "concealed" or "forfeited lands" within a parish or other area, proceed to bring actions against and otherwise harass the persons or bodies holding lands upon charitable trusts connected with church purposes. Thus, ment true in terms as far as it goes, but by letters-patent under the great seal, dated at Gorhamburge, the 24th of July, 1570, (12 Eliz.) keeps silence as to other things which if her majesty promised to grant to Sir Thomas disclosed would alter the whole effect of Wentworth, Knight, Lord Wentworth, all the statement, so that what is in effect told and so many of all such her majesty's lordships, is a half-truth, equivalent to a falsehood; ... manors and other hereditaments and advowsons to the same belonging within the realm of Engor allows the other party to proceed on an land and the dominions of the same, as then or at that time were concealed, subtracted or unjustly detained from her majesty. (AttorneyGeneral v. Webster, L. R. 20 Eq. p. 484.) Such grants are not usual at the present day. CONCEALING BIRTH.-Endeavoring to conceal the birth of a child by any secret disposition of its dead body, is a misdemeanor punerroneous belief to which the acts of the concealing party have contributed. (Poll. Cont. 473; Benj. Sale 384; Peek v. Gurney, L. R. 6 H. L. 392; Keates v. Earl Cadogan, 10 С. В. 591; 20 L. J. C. P. 76.) The general rule is, that where a person is induced to enter into a contract by active conceal-