N? or F? indicates that the individual has not been definitely determined, but, considering all the data, it is concluded that on the whole, the person was probably normal or feeble-minded, as the letter signifies.
A small d. followed by a numeral means died at that age; b. means born, usually followed by the date.
A single figure below a symbol indicates that the symbol stands for more than one individual—the number denoted by the figure, e.g. a circle with a “4” below it, indicates that there were four girls in that fraternity, represented by that one symbol.
The Hand indicates the child that is in the Institution at Vineland, whose family history is the subject of the chart.
A black horizontal line under a symbol indicates that that individual was in some public institution at state expense.
The fact that the parents were not married is indicated either by the expression “unmarried” or by the word “illegitimate,” placed near the symbol for the child.
Transcriber’s Note: Many apologies, but the chart images have not been made available in this e-reader version of the book. They may be viewed in the full HTML version at the Project Gutenberg website.
