Inconsistent hyphenation, accents, and use of separate words have been retained for "any one" / "anyone", "arm movement" / "arm-movement", "backstep" / "back-step", "blind spot" / "blind-spot", "by the way" / "by-the-way", "counting machine" / "counting-machine", "divining rod" / "divining-rod", "ear movements" / "ear-movements", "eye movement(s)" / "eye-movement(s)", "eyebrows" / "eye-brows", "first rank" / "first-rank", "four fifths" / "four-fifths", "Hans problem" / "Hans-problem", "head jerk" / "head-jerk", "head movement(s)" / "head-movement(s)", "hoped for" / "hoped-for", "memory images" / "memory-images", "movement impulse" / "movement-impulse", "movement responses" / "movement-responses", "number concepts" / "number-concepts", "number terms" / "number-terms", "psychophysical" / "psycho-physical", "some one" / "someone", "sound waves" / "sound-waves", "thought processes" / "thought-processes", "tieraugen" / "tier-augen", "time measurements" / "time-measurements", "training process" / "training-process", "vaudeville stage" / "vaudeville-stage", "well disposed" / "well-disposed", "well known" / "well-known", "well trained" / "well-trained" "zoologist" / "zoölogist" / "Zoological" / "Zoölogical".

There is no direct reference to Table of Reference item 105 or 112 within this book.

Here is a list of the minor typographical corrections made: