Section 25. If the tenant on whom such notice of ejectment has been served fails to institute, on or before the

25. If the tenant on whom such notice of ejectment has been served fails to institute, on or before the fifteenth day of May next after the service, or, in case the said Lieutenant Governor fixes for the purpose of section twenty-two any day other than the said fifteenth day of May, then on or before the day so fixed, a suit to contest his liability to be ejected, his tenancy of the land in respect of which the notice has been served shall be held to cease on that day. Assistance to eject.