307 
also by his non-plasticity, which is shown by the fixity of the 
physical features of the race as a whole, and absence of character- 
istic divergences in distantly separated groups. A consequence 
of this is, that no longer protected by isolation, he must shortly 
entirely disappear from the face of the earth, for he is an 
anachronism and archaic. And if anything further is to be done 
to obtain records of this interesting primitive race it must be 
done quickly. Therefore those of the Fellows of this Society who- 
will. be able to be present at the Science Meetings in Melbourne,. 
during January, 1900, should do their utmost to help formulate 
and actively set going some workable scheme for making an 
exhaustive study of the Autochthones of Australia. 
