 | Lionel Danforth Edie - 1922 - 552 էջ
...deserve to be the starting point in considering the population problem. Malthus held that there is a "constant tendency in all animated life to increase beyond the nourishment prepared for it. ... The ultimate check to population appears then to be a want of food arising necessarily from the... | |
 | 1925 - 694 էջ
...circumventing these enemies and reducing the death-date therefrom. As regards death-rate and food-supply, "the constant tendency in all animated life to increase beyond the nourishment prepared for it" was much advocated by Malthus and by Darwin, EM East in a remarkable hook, "'Mankind at the Crossroads"... | |
 | Charles Henry Patterson - 1926 - 362 էջ
...been little noticed by the writers who have treated this subject. . . . The cause to which I allude is the constant tendency in all animated life to increase beyond the nourishment prepared for it. It is observed by Dr. Franklin that there is no bounds to the prolific nature of plants or animals... | |
 | John Lewis Gillin - 1926 - 858 էջ
...intended to be exact, and the essential of his theory is to be found in his statement that, "It is the constant tendency in all animated life to increase beyond the nourishment prepared for it." Now, the tendency for population to outrun the means of subsistence raises up checks. Wars of expansion... | |
 | Paul Bowman Popenoe - 1926 - 532 էջ
...Darwin and Wallace confess was the starting point of their discovery of natural selection. There is a "constant tendency in all animated life to increase beyond the nourishment prepared for it," Malthus declared. "It is incontrovertibly true that there is no bound to the prolific plants and animals,... | |
 | Emory Stephen Bogardus - 1928 - 680 էջ
...unceasing object of the enlightened philanthropist in all ages to correct. The cause to which I allude, is the constant tendency in all animated life to increase beyond the nourishment prepared for it. (p. 77-78) The checks to population, which are constantly operating with more or less force in every... | |
 | Emory Stephen Bogardus - 1928 - 698 էջ
...unceasing object of the enlightened philanthropist in all ages to correct. The cause to which I allude, is the constant tendency in all animated life to increase beyond the nourishment prepared for it. (p. 77-78) The checks to population, which are constantly operating with more or less force in every... | |
 | 1912 - 902 էջ
...food-supply. 1 His motive was the causes which impede the progress of mankind toward happiness, the chief is the constant tendency in all animated life to increase beyond the nourishment prepared for it." Although his statistics by which he sought to establish mathematically the ratio between the increase... | |
 | 1912 - 866 էջ
...food-supply. 1 His motive was the causes which impede the progress of mankind toward happiness, the chief is the constant tendency in all animated life to increase beyond the nourishment prepared for it." Although his statistics by which he sought to establish mathematically the ratio between the increase... | |
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the constant tendency in all animated life to increase beyond the nourishment prepared for it."* Before inquiring into the truth or falsehood of the idea thus propounded, it may be well to determine for ourselves 
