Noth. — The plea of the repeal of the letters would come as a plea puis darrein continuance, anti therefore not allowable, except plead at the proper time. See Chit. Plead. 636. Whether the act of one administrator is binding upon the others, see Mangum’s adm'rs. v. Sims, 1 Car. Law Rep. 547.—Gordon v. Finlay, 3 Hawks, 239.—Toller on Ex'rs. 403.