A fast of Gods chusing, plainly opened, for the help of those poor in spirit, whose hearts are set to seek the Lord their God in New-England, in the solemn ordinance of a fast wherein is shewed 1. The nature of such a fast. 2. The testimony God will give thereunto of his gracious acceptation. 3. The special seasons wherein God will bear witness to such a fast. 4. Some helps to faith that it shall be so. 5. Why such a fast is so acceptable and successfull. 6. How much this concerns Gods people in New-England. : Preached on a fast called by publick authority, on 26. 1. 74. / By Thomas Thacher, Pastor of a church in Boston.