Abstract
ABSTRACTThe Tree shrews (family Tupaiidae) were earlier grouped with the Elephant shrews (family Macroscelididae) in the suborder Menotyphla of the Insectivora. Following a proposal of Carlsson (1922), many workers, and notably Le Gros Clark, have presented evidence that the Tree shrews should be regarded as primitive or basal Primates. Simpson (1945) accepts them as such in his classification of the Mammalia. This view, because of the wide interdisciplinary interest in Primate evolution, has been widely accepted and has been of considerable influence. It has not, however, been without its opponents. This review critically analyses the evidence for and against accepting the Tree shrews as Primates.
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