Scale: circa 1:500,000. Chart of the Bay of Biscay. Lights coloured. With nineteen insets. Variation. Coordinates given. Blue back. Small tears Insets: Port Lorient 1:110,000 bar; Raz de Sein 1:120,000 bar; Quiberon Bay &c 1:120,000 bar; Glenan Isles &c 1:120,000 bar; Guetaria 1:35,000 bar; Castro Urdiales 1:26,000 bar; St. Martin de la Arena 1:37,000 bar; Santona 1:100,000 bar; Gijon Bay 1:55,000 bar; Rivadasella 1:24,000 bar; Tina Mayor 1:73,000 bar; Sketch of Port Pasages 1:40,000 bar; Entrance to the River Gironde 1:170,000 bar; Mouth of the River Loire 1:110,000 bar; San Sebastian 1:180,000 bar; St. Jean de Luz 1:40,000 bar; Bay of Bilbao 1:23,000 bar; St. Vincente de la Boiquera 1:110,000 bar; Santander