... America of a fossil horse, of the mastodon, possibly of an elephant (7/4. Cuvier "Ossemens Fossils" tome 1 page 158.), and of a hollow-horned ruminant, discovered by MM. Lund and Clausen in the caves of Brazil, are highly interesting facts with respect to the geographical distribution of animals. At the present time, if we divide America, not by the Isthmus of Panama, but by the southern part of Mexico in latitude ... — A Naturalist's Voyage Round the World - The Voyage Of The Beagle • Charles Darwin
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