A deed to which two or more persons are parties, and in which these enter into reciprocal and corresponding grants or obligations towards each other; whereas a deed-poll is properly one in which only the party making it executes it, or binds himself by it as a deed, though the grantors or grantees therein may be several in number. 3 Washb. Real Prop. 311; Scott v. Mills, 10 N. Y. St. Rep. 35S; Bowen v. Beck, 94 X. Y. 89. 40 Am. Rep. 124; Hopewell Tp. v. Am- well Tp., 0 N. J. Law, 175. See