 | Jerome Davis, Harry Elmer Barnes - 1927 - 1094 sider
...the positive checks as follows: The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contribute to shorten the natural duration of human life. Under this head therefore may be enumerated,... | |
 | Emory Stephen Bogardus - 1928 - 698 sider
...checks to population, (pp. 87-88) The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contribute to shorten the natural duration of human life. Under this head therefore may be enumerated... | |
 | Dexter Merriam Keezer, Addison Thayer Cutler, Frank Richardson Garfield - 1928 - 736 sider
...pursuing the dictates of nature. The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of human life. Under this head may be enumerated all unwholesome... | |
 | 1927 - 414 sider
...due to unrestrained procreation. positive checks, he considered, were extremely various and included every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of life. Under this head he enumerated all unwholesome... | |
 | John Bowditch, Clement Ramsland - 1961 - 210 sider
...necessarily leads to many other vices. The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of human life. Under this head, therefore, may be enumerated... | |
 | Charles Darwin - 1996 - 382 sider
...necessarily leads to many other vices. The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of human life. Under this head, therefore, may be enumerated... | |
 | 2000 - 344 sider
...already produced; the most conspicuous of them being war, pestilence, and famine, but they "include every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of human life".1 Preventive checks are those which take... | |
 | Charles Darwin - 2003 - 676 sider
...necessarily leads to many other vices. The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of human life. Under this head, therefore, may be enumerated... | |
 | Oliver J. Thatcher - 2004 - 476 sider
...necessarily leads to many other vices. The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contribute to shorten the natural duration of human life. Under this head therefore may be enumerated,... | |
 | Angela Franks - 2014 - 359 sider
...The second type of check, called a "positive" check, affects the poor most often, in that it consists of "every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of human life." Among these causes he enumerates poverty,... | |
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The positive checks to population are extremely various, and include every cause, whether arising from vice or misery, which in any degree contributes to shorten the natural duration of human life. 
