Piltdown Man 
commonly associated with the lowest races of men. When, how- 
ever, the missing part of the tooth-bearing border in front of the 
Fig. 8. — Lower view of lower jaw of Piltdown man (B), compared with that 
of Chimpanzee (A), Heidelberg man (C), and modern man (D) ; one-half 
nat. size. 
molars is restored, it is found to be too long to be filled by any 
known human teeth (compare fig. 12). The first studies of the 
