THE STRUCTURE AND RELATIONSHIPS OF ANCODUS. 
VI. EBSTORATION OF ANCODUS. 
489 
The general appearance of the skeleton of A. brackyrhynchus is not unlike 
that of Sus scrofa, though with manifold differences of detail. The head is rather 
shorter in proportion and of quite a different shape, the backward shifting of the 
orbits in Sus and the elevation of the posterior part of the skull, giving to that 
animal special peculiarities. Then, too, the absence of the great tusk-like canines 
in Ancodus completely changes its physiognomy. The neck is longer and 
more curved, but more slenderly and lightly built, with shorter and less massive 
spines and processes on the vertebrm. So far as can be judged from the available 
material, the trunk is relatively shorter, and the spines of the thoracic vertebr* not 
