The Physical Basis of SocietyD. Appleton, 1916 - 406 من الصفحات |
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الصفحة xi
... families of Europe . The rôle of cus- tom and law in controlling marriage . Negative eugenics - the attempt to stop the reproduction of the unfit . Positive eugenics - the attempt to improve the race stock by greater care and selection ...
... families of Europe . The rôle of cus- tom and law in controlling marriage . Negative eugenics - the attempt to stop the reproduction of the unfit . Positive eugenics - the attempt to improve the race stock by greater care and selection ...
الصفحة xvi
... families of 461 leading American scientific men 342 • • The causes of death in three wars • 346 Increase in suicide and homicide in registration area of U. S. • • • • 348 THE PHYSICAL BASIS OF SOCIETY THE PHYSICAL BASIS OF SOCIETY xvi ...
... families of 461 leading American scientific men 342 • • The causes of death in three wars • 346 Increase in suicide and homicide in registration area of U. S. • • • • 348 THE PHYSICAL BASIS OF SOCIETY THE PHYSICAL BASIS OF SOCIETY xvi ...
الصفحة 132
... families were not pock - marked . In 1722 the town of Ware , England , con- tained 2,515 inhabitants of whom 1,601 had previously had smallpox . An epidemic came and only 302 were left untouched . In Iceland in 1707 some 18,000 or 60 ...
... families were not pock - marked . In 1722 the town of Ware , England , con- tained 2,515 inhabitants of whom 1,601 had previously had smallpox . An epidemic came and only 302 were left untouched . In Iceland in 1707 some 18,000 or 60 ...
الصفحة 138
... families and communities alike , and costing some $ 200,000,000 annually in our own country . Cures for tuberculosis are today unknown , yet the newer knowledge has enabled us to cut down the death rate perhaps 50 per cent in the last ...
... families and communities alike , and costing some $ 200,000,000 annually in our own country . Cures for tuberculosis are today unknown , yet the newer knowledge has enabled us to cut down the death rate perhaps 50 per cent in the last ...
الصفحة 191
... families characterized by peculiar heads and lips , and so Tacitus explained the features of the Germans by saying that they had an un- mixed line of descent . The Israelites had even under- taken to control the color of their cattle by ...
... families characterized by peculiar heads and lips , and so Tacitus explained the features of the Germans by saying that they had an un- mixed line of descent . The Israelites had even under- taken to control the color of their cattle by ...
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