For a full account of the elaborate machinery see Chitty's note to Blackstone, vol. i, p. 441, of Sharswood's edition.
Holy Living, ch. 3, section I: Rules for Married Persons.
Boswell, vii, 288. Perhaps if the venerable Samuel had had the statistics of venereal disease given by adulterous husbands to wives and children he might not have been so sure of his contention.