208 



FISHBERG 



from these figures shows that there were few individuals with 

 heads less than 1 76 mm. in length ; the largest proportion of 

 persons had heads 185-186 mm. long, and very few persons had 

 heads more than 200 mm. long. At 189-190 mm. the curve 

 appears to rise almost to the same height as at 186 mm., and 

 thus gives the curve the appearance of having a double apex. 



15 



















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LENGTH OF HEAD 



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166 170 174 178 182 186 190 194 198 202 206 210 



length of head 

 Fig. 4. 



This and also the fact that the apex of the curve, representing- 

 the largest percentage of individuals, does not correspond to the 

 average length of the head, i88 mm., may give the impression 

 that this is good proof that we deal here with a mixture of two 

 races, one whose average length of the head is i86 mm. and the 

 other with a head 1 90 mm. long. While this does not exclude 

 racial intermixture, to be sure, still it must be confessed that it 

 does not prove it. The interval between the two maxima, ex- 



