Roberts, Architect, Sleaford, Lincolnshire. R. Roberta, Esq., Globe Works, Manchester. Andrew John Robertson, Esq., C.E., Newcastle-upon-Tyne. William Robertson, Esq., 12, Gordon-street, City-road. A. Rosengarten, Architect, Hamburg. Alex. M. Ross, Esq., 3, Parliament-street, Westminster. Rough Draught, 42, Stainford-street. Henry Rouse, Esq. H. H. Russell, Esq., C.E., M.R.S.A. W. Russell, Esq., 3, Frederick-street, Hampstead-road. E. Ryde, Esq., 14, Upper Belgrave-place, Eaton-square. George Sanderson, Esq., 136, Solly-street, Sheffield. Charles Sanderson, Esq., Friar-street, Reading. Robert Sandeman, Architect, Greenside, Edinburgh. H. Savage, Esq., 22, Beaumont-street. Mary-le-bone. W. Scurry, Esq., 7, Denbigh-place, Pimlico. Sed quis custodiet Custodes. J. P. Seddon, Esq., Gray's-inn-road. J. R. Sewell, Esq., Carrington, near Nottingham. Mons. A. Slater, Architecte, Elève de Mons. l'Architecte Cluysenaar. E. Smallwood, Architect, 86, Park-street, Camden Town. F. Smallman Smith, Esq., 18, Brunswick-st., Barnsbury-road, Islington. C. H. Smith, Esq., 29, Clipstone-street. J. M. Smith, Esq., 1, Chapel-place, Duke-street, Westminster. W. J. Smith, Esq., 18, Bond-street, Commercial-road, Lambeth. G. Campbell Smith, Esq., Banff. Messrs. Soyer and Warrener, Reform Club. Paul Sprenger, Esq., Architect to the Government, Vienna. Herr Friederich Stammann, Hamburg. Francis Sternitz, Esq., 10, Berner-street, Commercial-road East. W. Stewart, Esq., Seacombe, Cheshire. M. J. Stutely, Architect, 4, Doughty-street, Mecklenburgh-square. H. Suckling, Esq., 1, Conduit-street, Regent-street. George Tate, Esq., Bawtry, Yorkshire. J. Taylor, Architect, 22, Parliament-street. T. Taylor, Architect, 33, Clarendon-street, Oakley-square. J. H. Taunton, Esq., 2, Gordon-place, Kensington. D. W. Thomas, Esq., 20, St. Petersburg-place, Bayswater. R. M. Thompson, Esq., 46, Leicester-square. P. Thompson, Architect, 1, Osnaburgh-place, New-road. F. Thompson, Esq., 15, Trafalgar-square, Peckham. James Thrupp, Architect, 2, Park-place, Bath. H. W. Todd and W. Allingham, 91, Newman-street, Oxford-street. Richard Turner and Thomas Turner, Hammersmith Works, Dublin. Henry Turner, Esq., Low Heaton, Haugh, Newcastle-on-Tyne. F. Tyerman, Jun., Architect, 14, Parliament-street. Mons. Véron, 2, Quai des Armes, Paris. John Walker, Esq., Crooked-lane Chambers, King William-street. George Wallis, Artist, and Henry Summers, Architect, 14, College-place, Camden Town. J. N. Warren, Esq., C.E., 18, Adam-street, Adelphi. J. E. Watson, Esq., 74, Grey-street, Newcastle-on-Tyne. Henry Whitcombe, Esq., Slough. George Wightwick, Architect, 3, Athenæum-terrace, Plymouth. George Wilkie, Esq., C.E., 8, Powell-street West, King's-square. George Wilkinson, Esq., Horsham. S. J. Wilkinson, Esq., 7, Jeffry's-square, St. Mary Axe. James Williams, Esq., 18, Westgate-buildings, Bath.