 The next literary undertaking, in which we find Dr. M'Crie employed, was a conflict with an antagonist every way worthy of his prowess.The "Great Unknown" was now in the ascendant, and as he wrote to amuse, he was sure of the sympathies of at least three-fourths of the community.Such he must have felt when he gave to the world the tale of "Old Mortality," in which the Covenanters were held up to derision, while their sufferings were described as justly merited.