The charges presented, to which no answer has *877been made, are of such a serious nature as to warrant the Surrogate in making inquiry and determination of his own volition. The domiciliary executor may participate in such proceeding as a matter of comity. (Kirkbride v. Van Note, 275 N. Y. 244, 250.) Nolan, P. J., Carswell, Adel, Wenzel and Schmidt, JJ., concur.