In this condition of the science it is no wonder that we find it wasting its chief force upon problems that are petty and idle when they are not downright and palpably insoluble, and passing over problems that are of immediate concern to all of us, and that might be quite readily solved, or, at any rate, considerably illuminated, by an intelligent study of the data already available. After all, not many of us care a hoot whether Sir Oliver Lodge and the Indian chief Wok-a-wok-a-mok are happy in heaven, for not many of us have any hope or desire to meet them there. Nor are we greatly excited by the discovery that, of twenty-five freshmen who are hit with clubs, 17¾ will say “Ouch!” and 22⅕ will say “Damn!”; nor by a table showing that 38.2 per centum of all men accused of homicide confess when locked up with the carcasses of their victims, including 23.4 per centum who are innocent; nor by plans and specifications, by Cagliostro out of Lucrezia Borgia, for teaching poor, God-forsaken school children to write before they can read and to multiply before they can add; nor by endless disputes between half-witted pundits as to the precise difference between perception and cognition; nor by even longer feuds, between pundits even crazier, over free will, the subconscious, the endoneurium, the functions of the corpora quadrigemina, and the meaning of dreams in which one is pursued by hyenas, process-servers or grass-widows. Nay; we do not bubble with rejoicing when such fruits of psychological deep-down-diving and much-mud-upbringing researches are laid before us, for after all they do not offer us any nourishment, there is nothing in them to engage our teeth, they fail to make life more comprehensible, and hence more bearable. What we yearn to know something about is the process whereby the ideas of everyday are engendered in the skulls of those about us, to the end that we may pursue a straighter and a safer course through the muddle that is life. Why do the great majority of Presbyterians (and, for that matter, of Baptists, Episcopalians, and Swedenborgians as well) regard it as unlucky to meet a black cat and lucky to find a pin? What are the logical steps behind the theory that it is indecent to eat peas with a knife? By what process does an otherwise sane man arrive at the conclusion that he will go to hell unless he is baptized by total immersion in water? What causes men to be faithful to their wives: habit, fear, poverty, lack of imagination, lack of enterprise, stupidity, religion? What is the psychological basis of commercial morality? What is the true nature of the vague pooling of desires that Rousseau called the social contract? Why does an American regard it as scandalous to wear dress clothes at a funeral, and a Frenchman regard it as equally scandalous _not_ to wear them? Why is it that men trust one another so readily, and women trust one another so seldom? Why are we all so greatly affected by statements that we know