Preparation of the Report. 19 certain names without special recognition of services ren- dered. First and foremost, our member Mr. J,. 0. Shenstone, of Colchester, has laboured constantly for us during the pro- gress of the work, kindly visiting and reporting upon any case of damage of which the details were recorded in- sufficiently in the first instance, and has always with the greatest readiness responded to appeals for information, regardless of any personal inconvenience to which my frequent applications must, I am afraid, have often subjected him. The value and extent of Mr. Shenstone's services will be best estimated by the frequency with which his observations are quoted in the body of the Report. Amongst others to whom I am under an obligation for assistance of various kinds, I may mention the following :— Mr. James Jackson, of Wivenhoe Hall, has been good enough to furnish the detailed analysis of the whole amount of damage given in a subsequent section of the Report. Mr. E. A. Fitch, our Vice-President, has supplied many notes from Maldon and neighbourhood. Mr. E. B. Knobel, F.G.S., Sec. E.A.S., of Bocking, has forwarded a report from his own neighbourhood, and some valuable notes from those parts of the area of structural damage visited by him. Mr. F. H. Meggy has kindly supplied notes from Chelms- ford and vicinity. Mr. Alfred P. Wire, of Leytonstone, has communicated on my behalf with many of his friends in various parts of Essex. Mrs. Dennis, of Layer Rows, has been good enough to furnish an excellent report from Layer-de-la-Haye and neigh- bourhood. Mr. E. T. Dowson has supplied many notes from Suffolk and Norfolk, in a communication to Mr. Symons. Mr. C. F. Hayward, F.S.A., has kindly collected several reports from residents in London. For assistance given in the geological portions of the Report, I have great pleasure in expressing my thanks to our President, Mr. T. V. Holmes, who, as already mentioned,