The Scientific Monthly, Volumen8James McKeen Cattell American Association for the Advancement of Science, 1918 |
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Página 18
... tion of life , which has projected itself into human society , has tended to disappear in the past , or that it is less severe amongst the most advanced peoples of the present , or that the tendency of the progress we are making is to ...
... tion of life , which has projected itself into human society , has tended to disappear in the past , or that it is less severe amongst the most advanced peoples of the present , or that the tendency of the progress we are making is to ...
Página 27
... tion of variations through environmental changes until the experiments of Tower showed that in the Colorado potato beetle a high temperature and an unusual degree of humidity during the period of maturation of the sex cells resulted in ...
... tion of variations through environmental changes until the experiments of Tower showed that in the Colorado potato beetle a high temperature and an unusual degree of humidity during the period of maturation of the sex cells resulted in ...
Página 31
... tion , so that people of superior endowments will have the matter of their obligations to the race brought squarely home to them , will not fail to have an effect in checking the evils of our pres- ent differential fecundity . Racial ...
... tion , so that people of superior endowments will have the matter of their obligations to the race brought squarely home to them , will not fail to have an effect in checking the evils of our pres- ent differential fecundity . Racial ...
Página 34
... tion of rags to pulp requires a large amount of power , and the Connecticut River at Holyoke furnishes the greatest water power in New England . The falls and canal systems at Holyoke fixed the attention of engineers upon water ...
... tion of rags to pulp requires a large amount of power , and the Connecticut River at Holyoke furnishes the greatest water power in New England . The falls and canal systems at Holyoke fixed the attention of engineers upon water ...
Página 36
... tion of patents . Before the Standard Oil Company gained its supremacy , there was no localization of refineries ; the Amer- ican Sugar Refining Company is responsible for the localiza- tion of its industry , and if there were no United ...
... tion of patents . Before the Standard Oil Company gained its supremacy , there was no localization of refineries ; the Amer- ican Sugar Refining Company is responsible for the localiza- tion of its industry , and if there were no United ...
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