274 LIST OF AUTHORITIES APPENDIX VII List of Authorities in England and Wales having Powers and Duties in relation to Defence against the Sea (1) A. Levens, Helsington, &c., Proprietors under Inclosure Award. B. Milnthorpe and Heversham Marsh under Inclosure Award. (2) Overton Commission of Sewers. *(3) Thornton Marsh Inclosure Trust. (4) Bispham Carleton and Thornton Drainage District. *(5) Frodsham and Helsby Drainage District. *(6) Wallasey Embankment Commission. (7) Hawarden Embankment Trust. *(8) Llanasa Embankment Trust. *(9) Rhuddlan Marsh Embankment Trust. *(10) Malldraeth and Corsddaugau Marsh Drainage Commission. *(11) Dysynny Valley Drainage District. *(12) Berwick Embankment Proprietors under Inclosure Award. *(13) A. Monmouthshire Commission of Sewers, Wentllog Level. B. Monmouthshire Commission of Sewers, Caldicot Level. (14) Leadon Valley Commission of Sewers. (15) Lay Drainage District. *(16) Commission of Sewers for the Lower Level of Gloucester. *(17) Somersetshire Commission of Sewers. *(18) Somersetshire Drainage Commission (under Act of 1877). *(19) Braunton Marsh Proprietors under Inclosure Award. *(20) Isle of Wight Commission of Sewers. *(21) Commission of Sewers for the Western Parts of Sussex. *(22) Arundel Commission of Sewers. * Authorities whose areas abut on the sea and estuarial waters thus.