Tristitae ecclesiarum or, A brief and sorrowful account of the present state of the churches in New-England : in a letter from a minister in the country to the publick. Wherein is contained, some remarks on the rise, progress and unhappy effects of the different sentiments among us at this day in matters of religion. To which is added by way of advice some healing measures. With an appendix. By Samuel Niles, a mournful spectator and sharer in the present calamities. And Pastor of a church of Christ in Braintree. [One line epigram in Latin].