. Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals . -World monkeys aswell as the apes andman have parallel nos-trils, directed downward(catarrhine). Their tails,if present, are not pre-hensile, and in theirhabits and temper theyapproach progressivelytoward man. Catarrhinemonkeys are known tohave existed in theMiocene period. Theanthropoid apes repre-sent a high degree of advancement within the same group which finds its final ex-treme in the genus Homo. Considering structural characters alone, it is readil
. Evolution and animal life; an elementary discussion of facts, processes, laws and theories relating to the life and evolution of animals . -World monkeys aswell as the apes andman have parallel nos-trils, directed downward(catarrhine). Their tails,if present, are not pre-hensile, and in theirhabits and temper theyapproach progressivelytoward man. Catarrhinemonkeys are known tohave existed in theMiocene period. Theanthropoid apes repre-sent a high degree of advancement within the same group which finds its final ex-treme in the genus Homo. Considering structural characters alone, it is readily con-ceivable that man should have had an anthropoid ancestry,that the anthropoids should have sprung from an Old-Worldmonkey stock, and that the Old-World monkeys in turn arederived from the lemurs. It is not supposable that any livingspecies of man has sprung from any extant species of anthropoidape. The point of juncture is clearly far back in the earlierTertiary times, but morphological evidence points to the com-mon origin of primitive man and the known anthropoids. It is,of course, certain that the intermediate forms when known.
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