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activities adult animals appear average become Befruchtung beginning birth body brain cause cells cent character characteristics comparative condition conjugants continued correlation course curve daß death determine differentiation direction Eier eine embryo evolution existence experiments fact females figures function further give grow growth human illustration important increase individual interest interpretation kind lecture length less lines litters living males Männchen material means measure method mind months nature nerve nucleus observations occurs organism period picture pigs possible present probably problem produce Professor progress protoplasm question regard relation represents result seems sich single species stage structure Table theory things tion true variations various Weibchen weight whole young
Page 21 - the study of agencies under social control that may improve or impair the racial qualities of future generations, either physically or mentally.
Page 21 - As Heaven and Earth are fairer, fairer far Than Chaos and blank Darkness, though once chiefs ; And as we show beyond that Heaven and Earth In form and shape compact and beautiful, In will, in action free, companionship, And thousand other signs of purer life ; So on our heels a fresh perfection treads, A power more strong in beauty, born of us And fated to excel us, as we pass In glory that old Darkness: nor are we Thereby more conquer'd than by us the rule Of shapeless Chaos.
Page 21 - The mentally better stock in the nation is not reproducing itself at the same rate as it did of old ; the less able, and the less energetic, are more fertile than the better stocks. No scheme of wider or more thorough education will bring up in the scale of intelligence hereditary weakness to the level of hereditary strength. The only remedy, if one be possible at all, is to alter the relative fertility of the good and the bad stocks in the community.
Page 21 - His spirit to the sorrow of the time ; And all along a dismal rack of clouds, Upon the boundaries of day and night, He stretched himself in grief and radiance faint There as he lay, the Heaven with its stars Looked down on him with pity, and the voice Of Coelus, from the universal space, Thus whispered low and solemn in his ear...
Page 41 - They become day laborers, mechanics, clerks of a mechanical order. Others probably can go on somewhat longer, and obtain higher positions; and there are men who, with extreme variations in endowment, preserve the power of active and original thought far on into life. These of cour.se are the exceptional men, the great men.
Page 87 - A. sees B drowning and is able to help him by holding out his hand. A abstains from doing so in order that B may be drowned, and B is drowned. A has committed no offence.
Page 83 - For that being very short and scanty, as we have seen, he would be often utterly in the dark, and in most of the actions of his life, perfectly at a stand, had he nothing to guide him in the absence of clear and certain knowledge. He that will not eat till he has demonstration that it will nourish him; he that will not stir till he infallibly knows the business he goes about will succeed, will have little else to do but to sit still and perish.
Page 21 - Officials sometimes forget that the general attitude of the people towards the law is of more consequence that the number of malefactors sentenced. It is an old principle of English jurisprudence that it is better that many guilty should escape than that one innocent man should suffer.
Page 88 - Enough is already known to those who have studied the question to leave no doubt in their minds about the general results, but not enough is quantitatively known to justify legislation or other action except in extreme cases. Continued studies will be required for some time to come, and the pace must not be hurried. When the desired fullness of information shall have been acquired, then, and not till then, will be the fit moment to proclaim a " Jehad," or Holy War against customs and prejudices that...