An answer to Mr. J.G. his XL queries : touching the lawfulness, or unlawfulness of holding church-communion, between such who have been baptized after their beleeving, and others who have not otherwise been baptized, then in their infancie, as likewise touching infant, and after baptism : in which answer, that undueness of such mixt communion is declared, the unlawfulness of infant-baptism, and the necessity of after baptism is asserted /