The Twelfth International Medical Congress in Moscow, afforded me a long-sought-for opportunity, not merely to visit Russia, but also to cover nearly all the countries of Europe. In visiting the various cities I made special observations of the degenerates in each of the various institutions for the defective classes. The objective points of interest were the prisons, insane hospitals, schools of idiocy, foundlings' homes, etc. The features of the soldiers, police and cabmen, as well as the citizens themselves, were incidentally noted for the purpose of comparison. These observations, however, were for an entirely different purpose, the object of this paper being to record results as to the deformities of the jaws and teeth of the mature degenerate classes.
In a prison in Athens containing 452 convicts, not a single V or saddle arch was found, although slight irregularities of the teeth due to local causes were observed. Arrest of