The measure of width of a railway, fixed, with some exceptions, at 4 feet 8 inches in Great Britain and America, and 5 feet 3 inches in Ireland. 2. The person who binds himself by the guaranty is called the guarantor or the surety, the person to whom it is made the guarantee, and the person for whom it is made is called the principal. Thus, if A. agrees to supply goods to B., in consideration of C.'s promise to pay him for them if B. fails to do so, this is a contract of guaranty by C., who is the guarantor or surety, A. being the guarantee and B. the principal. 3. Under the various statutes of frauds, every guaranty must be in writing and signed by the party to be charged, but the consideration need not, as a general rule, be stated. 24. Continuing.-A continuing guaranty is one which continues in force until recalled by the guarantor, as opposed to a guaranty applying only to a particular act, sum or transaction; thus, a guaranty "for any goods which A. may supply B. with, to the amount of $100," is a continuing guaranty, and is, therefore, not discharged by one transaction, i. e. by a supply of goods to the amount stated and a payment for them. Chit. Cont. 490; Sm. Merc. Law 470. As to the important dis-