The Journal of Heredity 
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Bothgrandfathers white. 
both Grandmothers “very 
dark: 
BK- Black eyes. 
BL- Glue eyes. 
Br- Grown eyes. 
X- Stone Green eyes. 
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A Jamaican- Jewish Family. 
“In the family-tree here plotted, there are two persons of half-Jewish blood, three of one-quarter 
Jewish blood, and two with no Jewish blood at all.” 
Thus we speak of German-Jews, or 
even of Chinese-Jews.® In each case 
the so-called Jew presents a mixture of 
those traits which we think of as 
typically Jewish with those of the race 
among which the particular Jewish 
strain is living. Thus we must think of 
the Jews as an institution and a society 
as well as a race. Their racial traits 
may constitute the principal back- 
ground of Judaism, but that is not the 
whole story. 
In the accompanying picture of a 
® Maurice Fishberg, The Jews, 1911, p. 134. 
(Fig. 18.) 
Negro-Jews. In the family-tree here 
plotted, there are two persons of half- 
Jewish blood, three of one-quarter 
Jewish blood, and two with no Jewish 
blood at all. The observer can, if he 
be keen, locate in the picture those 
with and those without Jewish blood. 
This particular family, due doubtless 
to the infusion of Jewish traits, was 
much more successful socially and 
economically than the average Jamai- 
can family with an equivalent propor- 
tion of other but less socially compe- 
tent white blood. 
