TABLE 20.-Earnings of father, by occupation group1 of father and color and nativity of mother; births in 1915.

TABLE 21.—Estimated median earnings of father, by occupation group of father and color and nativity of mother; births in 1915.

1 For grouping see p. 36.

2 For method by which median earnings are computed, see Appendix IV, p. 197.

* Computations exclude cases of no occupation and cases in which earnings were not reported.

TABLE 22.-Earnings of father, by regularity of his employment, and by color and nativity of mother; births in 1915.

TABLE 23.—Duration of nonemployment, by earnings of father, and by color and nativity of mother; births in 1915.