 After he had rallied from the unexpected blow, Dr. M'Crie was employed in what was called the "Marrow Controversy," which, notwithstanding the uncouth title it bore, had for its object the vindication of the important doctrine of justification by faith against Arminianism.This was followed by the Anti-patronage controversy in 1833, a subject which the Kirk of Scotland had never lost sight of since the time when patronage was first imposed upon it, and which was now fast ripening into such important results as neither friend nor enemy could anticipate.As might be expected, Dr. M'Crie was no mere onlooker.