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By Harlow Shapley, Samuel Rapport, Helen Wright

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I said. "To the tick. " of the great book. I am proud of the 79/0 The Aims and Methods of Science THE METHODS OF ACQUIRING KNOWLEDGE ROGER BACON ARE TWO METHODS IN WHICH -^ WE ACQUIRE argument and experiment. g. prove by satisfactory if man who had any argument that discovered by is never seen fire were to burns and destroys things, the nor would he avoid fire; until by fire mind would not rest satisfied, hand or some combustible thing into it, he proved by actual experiment what the argument laid down; but after the experiment has been made, his mind receives certainty and rests in the possession of hearer's putting his which could not be given by argument but only by experience.

But there were difficulties in as those who are college professors and naturalists know. all As of that this was quite out of the question, he did the easiest thing asked Mr. "Jenks of Middleboro" to get him the eggs. Mr. Jenks got them. Agassiz knew all about his getting of them; and I say the strange and irritating thing is that Agassiz did not think it worth while monumental work. was many years later that Mr. to tell us about it, a least in the preface to his It Jenks, then a gray-haired college pro- me how he got those eggs to Agassiz.

From the railroad station to Boston was or four thirty-five miles; from tiie pond to the station was perhaps three miles; from Boston to Cambridge we called about three miles. Forty miles in round numbers! We figured it all out before he returned, and got the record time: driving from the pond to the statrip down to two hours the from station tion; by express train to Boston; from Boston by cab to This left an Cambridge. easy hour for accidents and delays. " And he paused abruptly. "Young man," he went on, his shaggy brows and spectacles hardly hiding the twinkle in the eyes that were bent severely upon me, "young after turtle eggs, take into account the turtle.

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