destruction of the tuatara’s relatives over most of the world. But not a 
single mammal (except the bats) appears to have reached New Zealand 
until man arrived, and the lack of mammalian competition has presumably 
been the reason for the preservation of this archaic reptile.” 
The chart showing the distribution of the tuatara was plotted on the 
basis of data supplied by Dr. Frieda Cobb Blanchard. 
ANGER 
A. N. Breckon. Time.. Tnr.. 
48 
