Decisions upon answers in abatement, for any cause whatever, are conclusive, and not subject to revision on exceptions or otherwise. Gen. Sts. c. 114, § 10; c. 115, § 7. Blackmer v. Davis, 16 Gray, 120. Richmond v. Whittlesey, 2 Allen, 230. Jaha v. Belleg, 105 Mass. 208, 211.

Exceptions overruled.