The tyrannical measures adopted against the Roman Catholics in the early part of the reign of James the First, when the severe penal enactments against recusants were revived, and with additional rigour, and which led to the remarkable conspiracy about to be related, have been so forcibly and faithfully described by Doctor Lingard, that the following extract from his history will form a fitting introduction to the present work.

"The oppressive and sanguinary code framed in the reign of Elizabeth, was re-enacted to its full extent, and even improved with additional severities. Every individual who had studied or resided, or should afterwards study or reside in any college or seminary beyond the sea, was rendered incapable of inheriting, or purchasing, or enjoying lands, annuities, chattels, debts, or sums of money, within the realm; and as missionaries sometimes eluded detection under the disguise of tutors, it was provided that no man should teach even the rudiments of grammar in public or in private, without the previous approbation of the diocesan.