fferentiation of
function, but this principle should not be carried to the extent of
pocketing the Negro in blind-alley occupations where development is
impossible. As mental tests show him to be less suited to literary
education than are the whites, it seems likely that agriculture offers
the best field for him.

[142] This letter, and much of the data regarding the legal status of
Negro-white amalgamation, are from an article by Albert Ernest Jenks in
the _Am. Journ. Sociology_, XXI, 5, pp. 666-679, March, 1916.

[143] A recent readable account of the races of the world is Madison
Grant's _The Passing of the Great Race_ (New York, 1916).

[144] _The Old World in the New._ By E. A. Ross, professor of Sociology
in the University of Wisconsin, New York, 1914.

[145] Cf. Stevenson, Robert Louis, _The Amateur Emigrant_.

[146] Interview with W. Williams, former commissioner of immigration, in
the _New York Herald_, April 13, 1912.

[147] Of the total number of inmates of insane asylums of the entire U.
S. of Jan. 1, 1910, 28.8% were whites of foreign birth, and of the
persons admitted to such institutions during the year 1910, 25.5% were
of this class. Of the total population of the United States in 1910 the
foreign-born whites constituted 14.5%. Special report on the insane,
Census of 1910 (pub. 1914).

[148] _The Tide of Immigration._ By Frank Julian Warne, special expert
on foreign-born population, 13th U. S. Census, New York, 1916.

[149] _Essays in Social Justice._ By Thomas Nixon Carver, professor of
Political Economy in Harvard University, Cambridge, 1915.

[150] Fairchild's and Jenks' opinions are quoted from Warne, Chapter
XVI.

[151] _America and the Orient: A Constructive Policy_, by Rev. Sidney L.
Gulick, Methodist Book Concern. The _American Japanese Problem: a Study
of the Racial Relations of the East and West_, New York, Scribner's.

[152] _Oriental Immigration._ By W. C. Billings, surgeon, U. S. Public
Health Service; Chief Medical Officer, Immigration Service; Angel Island
(San Francisco), Calif., _Journal of Heredity_, Vol. VI (1915), pp.
462-467.

[153] _Assimilation in the Philippines, etc._ By Albert Ernest Jenks,
professor of anthropology in the University of Minnesota. _American
Journal of Sociology_, Vol. XIX (1914), p. 783.

[154] Students of the inheritance of mental and moral traits may be
interested to note that while the ordinary Chinese mestizo in the
Philippines is a man of pr