MAN FROM THE FARTHEST PAST 
Fic. 27. Development of the lower jaw. 
Chimpanzee (A), Piltdown man (B), Heidel- 
berg or Mauer man (C), and modern man (D), 
compared. Note especially the canine teeth 
and the region of the chin. 
Woodward 
After Smith 
[144] 
everted. The chin 
slopes backward as in 
no human being now 
known or thus far dis- 
covered, and there are 
other primitive fea- 
tures. The total effect 
of the characteristics of 
the bone is such that, 
had the teeth been 
lost, it would surely 
have been regarded as 
the mandible of some 
large ape rather than 
that of any human 
being. 
The teeth of the 
Mauer jaw, however, 
are perfectly preserved, 
and though large and 
provided with great 
roots, and in various 
other ways primitive, 
they are unquestion- 
ably human teeth. 
They show no crowd- 
ing, nor diastemata. 
The labial cusp of the 
anterior premolar was 
decidedly pointed, the 
lingual cusp moderate. 
The teeth force the 
conclusion that their 
possessor, while of 
heavy protruding face, 
huge muscles of masti- 
cation, wide and thick 
