Four hand-colored ornithological engravings: "The Laughing Gull," Mark Catesby, from Birds of Colonial America, London 1784; "The Oyster Catcher," Mark Catesby, undated; "Paon de Mer," Count Georges Louis de Buffon, from the Natural History of Birds, Histoire naturelle des oiseaux, ca. 1798; "La foulque," Count Georges Louis de Buffon from the Natural History of Birds, Histoire naturelle des oiseaux, ca. 1798.