. Dwellers of the sea and shore . INTRODUCTION The great naturalist Agasslz used to say that a student did not know his subject until he could present it successfully in four different forms: first as a tech- nical monograph, second as a scientific lecture, third as a popular lecture, and fourth as a simple child's tale. Probably the scientific men of our day would flinch or flunk the fourth of these tests. Yet it is possible to put the fundamental fact of any science into a form to be comprehended by the juvenile mind if one knows the knack and takes the trouble to make things plain and inter
. Dwellers of the sea and shore . INTRODUCTION The great naturalist Agasslz used to say that a student did not know his subject until he could present it successfully in four different forms: first as a tech- nical monograph, second as a scientific lecture, third as a popular lecture, and fourth as a simple child's tale. Probably the scientific men of our day would flinch or flunk the fourth of these tests. Yet it is possible to put the fundamental fact of any science into a form to be comprehended by the juvenile mind if one knows the knack and takes the trouble to make things plain and interesting. And nothing is better worth while, for when the attention of a boy or girl is once directed toward the wonders of nature, and when once he gets the habit of looking for the meaning of what he sees, he has gained an aptitude of mind that will last through life and bring continuously new ideas and inspiration. The new views of science that sometimes seem dif- ficult and disconcerting to us elders who have been brought up on the old-fashioned theories, are often clearer and simpler than the old when they are pre- sented directly to the fresh anxi unbiased minds of the younger generation. The modern gasoline motor is easier to understand than the older steam engine, and it is simpler to think of the electric current as a stream of electrons flowing through a wire as water flows V i
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Keywords: ., bookcentury1900, bookpublishernewyorkt, booksubjectmarineanimals
