236 



PROCEEDINGS OF THE ANATOMICAL AND ANTHROPOLOGICAL 



TABLE V. 



THE PERCENTAGE WITH WHICH THE VARIOUS TYPES OF EXTERNAL EAR 

 OCCURRED IN THE VARIOUS GROUPS OF PEOPLE EXAMINED. 



H = The human type (see Fig. 1). 



= Orang type (see Fig. 2 A). 



Ch' = Large chimpanzee type (see Fig. 3 B). 



Ch" = Small chimpanzee type (see Fig. 6). 

 Cerco = Cercopitheque type. 

 An = Anomalous forms. 



One point comes out very distinctly from my data viz., that 

 there is a very marked sexual difference in the orang and chim- 

 panzee types of ear. The orang type of ear is met with much more 

 ln>(|ncntly in women, while the chimpanzee type is seen more 

 triM|ucntl\ in men. In the twenty-five groups of women given in the 

 talile. the- proportion in which the orang type occurs varies from 30 



