Twenty people. Having witnessed the phenomena of crystallisation. They can justify scientifically their belief in miracles, and witchcraft to be matters for 'ordinary evidence' to decide. 'The principle of miracles' thus 'befriended' had free scope, and we finally attain the pitch of our great American novelist. I remain, dear sir, very truly yours, GEORGE BANCROFT. Rev. R. W. Griswold, Lewis Gaylord Clarke, Francis L.