been found less variable, for instance, than stature and form of head.
Fig. 45 .—Anthropologists have an ideal "mean man," whose every feature measures the arithmetic mean or average of that feature in all the individuals of his race. The above diagram drawn to scale from Dr. Hrdlička's measurements represents the mean man of Colonial ancestry. The outline of the face is almost oblong; the head is high and well-developed, particularly in the regions which are popularly supposed to denote superior intelligence. In general, it is a highly specialized type, denoting an advanced evolution.
The stature of both American men and women is high, higher than the average of any European nation except the Scotch. The individual variation