xii
Contents
PAGE
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23
(See also Appendix, p. 248). —Geometric series of weights; method of using
them; the same principle is applicable to other senses; the tests only measure
the state of faculties at time of trial; cautions in constructing the test weights;
multiplicity of the usual perceptions.
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26
Construction of them; loss of power of hearing high notes as age advances;
trials upon animals; sensitivity of cats to high notes; of small dogs and
ponies.
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28
Want of anthropometric laboratories; of family records; opportunities in
schools; Admiralty records of life of each seaman; family registers (see also
220); autotypes; medical value of ancestral life-histories (see also 220);
of
their importance to human eugenics.
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31
Colour blindness usually unsuspected; unconsciousness of high intellectual
gifts; of peculiarities of mental imagery; heredity of colour blindness in
Quakers; Young and Dalton.
33
Objects of statistical science; constancy and continuity of statistical results;
groups and sub-groups; augival or ogival curves; wide application of the
ogival; method; example; first method of comparing two ogival groups;
centesimal grades; example; second method of comparing ogival groups;
statistical records easily made with a pricker.
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39
Caprice and coyness of females; its cause; observations of character at
schools; varieties of likings and antipathies; horror of snakes is by no means
universal; the horror of blood among cattle is variable.
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42
Peculiarities of criminal character; some of them are normal and not morbid;
their inheritance as in the Jukes family; epileptics and their nervous
instability; insanity; religious rapture; strange views of the insane on
individuality; their moody segregation; the religious discipline of celibacy,
fasting and solitude (see also 125); large field of study among the insane and
idiotic.
