The Old Americans are
slightly more long-headed than the English, but the amount of variation
in this trait is nearly the same on the two sides of the ocean.
The average of the American women is 79.5 with [Greek: s] = 2.6. No
suitable series of English women has been found for comparison.(203) It
will be noted that the American women are slightly more round-headed
than the men; this is found regularly to be the case, when comparisons
of the head form of the two sexes are made in any race.
In addition to establishing norms or standards for anthropological
comparison, the main object of Dr. Hrdlicka's study was to determine
whether the descendants of the early American settlers, living in a new
environment and more or less constantly intermarrying, were being
amalgamated into a distinct sub-type of the white race. It has been
found that such amalgamation has not taken place to any important
degree. The persistence in heredity of certain features, which run down
even through six or eight generations, is one of the remarkable results
brought out by the study.
If the process could continue for a few hundred years more, Dr.
Hrdlicka thinks, it might reach a point where one could speak of the
members of old American families as of a distinct stock.
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