XXVI.— On the Upper Formations of the New Red Sandstone System in Gloucestershire, Worcestershire, and Warwickshire; showing that the Red or Saliferous Marls, including a peculiar Zone of Sandstone, represent the “Keuper” or “ Marnes Irisées;” with some account of the underlying Sandstone of Ombersley, Bromsgrove, and Warwick, proving that it is the “Bunter Sandstein” or “Grès Bigarré” of Foreign Geologists.