Speculum Haereticis : Or, A Looking-Glass for Hereticks : Being A true Relation of the Apostacy, Allegations, Uncertainties and Fallhoods of Matthew Cassen, a Ringleader, first of the Apollinarian Sect for near twenty Years; and afterwards and hitherto denying the Holy Trinity, and the Divine and Human Nature of our Lord and Saviour Jesus Christ, wandring still in the misty Fogs, and mystical Woods, and desolate Subterfuges of Arianism and Socinianism, &c. With a full, yet succinct Confutation of these Heresies