The subject of Mongolism has attracted a considerable amount of attention in recent years from all sorts of sources. Various studies have endeavored to throw light upon this mysterious phenomenon, and the present work is a conscientious effort to collect the results of all these studies and present them systematically. This the authors have succeeded in doing in a very interesting and valuable presentation, which, unfortunately, through no fault of their's, leaves the subject where they found it—a mystery. However, for those who are interested in Mongolism there will be found in this very readable book pretty much what is known about it, together with references to original source in a bibliography covering nearly twenty pages.

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