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Show 1903.] BRAINS OF MONKEYS. 17 the present paper, and from the illustrations which support them, that so far as its brain is concerned Colobus cannot be placed in close proximity to Semnojnthecics. From this point of view, Text-fig. 5. Upper surface of cerebral hemispheres of CoJobus gnereza. Ca, calcarine fissure. Other letters as in text-fig. 2. Text-fig. 6. Longitudinal median section of brain of Colobus guereza. Letters as in text-fig. 4. Colobus is most emphatically to be placed among the Cercopithecinse. In fact, it is probably safer to follow those zoologists who do not subdivide the family Cercopithecidse at all. P roc. Z ool. Soc.- 1903, V ol. I. No. II, 2 |