Commonwealth of Massachusetts. By His Excellency James Bowdoin, Esquire ... A proclamation : Whereas on the fourth of August last, a proclamation was issued for convening the General Court ... on the eighteenth of October next: And whereas from the many tumults and disorders which have since taken place, in several counties ... it appears highly expedient that the General Court should be convened on an earlier day ... Given at the Council-chamber, in Boston, this thirteenth day of September ... one thousand seven hundred and eighty-six ...