... Afternoon Service to commence at Three o'Clock ; and the Evening at Half-past Six. Religious and Useful Knowledge Society. SIX LECTURES on the BRITISH POETS, BY F. B, CALVERTyA.M., {Professor of Rhetoric, King’s CnUege, Aberdeen,') AT ST. MARY’S HALL, *0 commence THIS EVENING; FRIDAY, May 10th, at 8 o’clock. Lecture lI.—WEDNESDAY, May 15. Lecture lII.—WEDNESDAY, May 22. Lecture IV.—WEDNESDAY, ...