"HE HATH COMMANDED HIS COVENANT FOR EVER." Ps. cxi. 9. "THOUGH IT BE BUT A MAN'S COVENANT, YET IF IT BE CONFIRMED, NO MAN DISANNULETH, OR ADDETH THERETO." Gal. iii. 15. GLASGOW:—WILLIAM MARSHALL. SOLD ALSO BY JOHN KEITH. EDINBURGH:—THOMAS NELSON AND JOHN JOHNSTONE. LONDON:—HAMILTON, ADAMS, & CO. MANCHESTER:-GALT & ANDERSON. BELFAST:—WILLIAM POLLOCK. TO THE REVEREND ANDREW SYMINGTON, D.D., PROFESSOR OF DIVINITY IN THE REFORMED PRESBYTERIAN CHURCH, THIS VOLUME IS MOST RESPECTFULLY