Wildlife of Cape Verde across the Atlantic to breed from May to October. The most prominent species is the endangered loggerhead sea turtle ("Caretta caretta"). Other species of turtle are the hawksbill sea turtle ("Eretmochelys imbricate") which is critically endangered; the green sea turtle ("Chelonia mydas"), endangered; leatherback sea turtle ("Dermochelys coriacea") and olive ridley sea turtle ("Lepidochelys olivacea"). Hunting of sea turtles remains prevalent per an UNEP report, however turtle conservation measures began in 2008. Eighteen species of whales and dolphins have been recorded in the waters of the Cape Verde archipelago. The area is cited as one of two known breeding grounds
History of manifolds and varieties spaces with a differentiable or topological structure, while "variety" refers to spaces with an algebraic structure, as in algebraic varieties. In Romance languages, manifold is translated as "variety" – such spaces with a differentiable structure are literally translated as "analytic varieties", while spaces with an algebraic structure are called "algebraic varieties". Thus for example, the french word "" means topological manifold. In the same vein, the Japanese word "" (tayōtai) also encompasses both manifold and variety. ("" (tayō) means various.) Ancestral to the modern concept of a manifold were several important results of 18th and 19th century mathematics. The oldest