The geographical distribution of animals, with a study of the relations ...

chap, vi.] MAMMALIA OF THE OLD WORLD. 125referred to the Anoplotheridae (Adapts and Aphelotheriumfrom the Upper Eocene of Paris) were also Lemurs. Someremains from the Lower Eocene of Suffolk were at first supposedto be allied to Macacas, but were subsequently referred to theUngulate, Hyracothcrium. There is still, however, some doubtas to its true affinities.Chiroptera.—In the Upper Eocene of Paris remains of batshave been found, so closely resembling living forms as to bereferred to the genus Vesyertilio.Carnivora.—The only feline remains, are those of Hycenodonin the Upper Eocene of Hampshire, and Pterodon, an allied formfrom beds of the same age in France ; with yElurogale, foundin the South of France in deposits of phosphate of lime ofuncertain age, but probably belonging to this period.Viverridae(civets) are represented by two genera, Tylodon, the size of aglutton from the Upper Eocene, and Palceonyctis, allied toViverra, from the Middle Eocene of France. The Canidse(wolves and foxes) appear to have been the most ancient ofthe existing types of Carnivora, five genera being representedby Eocene remains. Of these, Galethylax and Cyotherium weresmall, and with the existing genus Canis are found in the UpperEocene of France. Arctocyon, about the size of a wolf, isa very ancient and generalised form of carnivore which cannot be placed in any existing family. It is found in the LoweiEocene of France, and is thus the oldest known member ofthe Carnivora.Ungidata.—These are more numerous. Equidae (horses) arerepresented by the Miocene Anchithcrium in the Lower, and by amore ancient form, Anchilophus, in the Middle Eocene of France.Tapiridse and Paheotheridae were very numerous.Palceotheriumand the allied genus Pcdoplotherium, were abundant in France andEngland in Upper Eocene times. They somewhat resembledthe tapir, with affinities for the horse and rhinoceros. A newgenus, Cadurcotherium, allied to the rhinoceros and equallylarge, has been found in the same deposits of phosphate of limeas the lemur and JElurogale. In the Middle Eocene of bothEngland and France are found Lophiodon allied to the tapir,