754 PRIMATES 



by anthropologists, or that it is likely to be final. Whatever care 

 be bestowed upon the arrangement of already acquired details, or 

 whatever judgment be shown in their due subordination one to 

 another, the acquisition of new knowledge may at any time call for 

 a complete or partial rearrangement of the system. The difficulties 

 which encompass .the subject have, indeed, been already indicated, 

 and will be found abundantly illustrated in the writings of those 

 authors who have specially devoted themselves to its elucidation. 



Bibliography. — P. Topinard, Elements d'Anthrqpologie Giniralc, 1885 ; A. de 

 Quatrefages, Histoirc Gcnerale des Races Humaines (1. Questions Genirales, 1887 ; 

 2. Classification des Races Humaines, 1889) ; Quatrefages and Haray, Crania 

 Ethnica (1873-1879) ; D. G. Brinton, Races and Peoples, 1890. 





