 | Encyclopedias and dictionaries - 1897 - 812 pages
...Struggle for Ef.islciice. — All organic beings tend to increase with extreme rapidity, so that if not destroyed, the earth would soon be covered by the progeny of a single pair. This is evidenced not merely by calculation, but by actual observation of the extraordinary rapidity... | |
 | United States - 1898 - 908 pages
...is no exception to the rule that every organic being naturally increases at so high a rate, that if not destroyed, the earth would soon be covered by...doubled in twenty-five years, and at. this rate, in less than a thousand years, there would literally not be standing-room for his progeny. . . . The elephant... | |
 | 1898 - 54 pages
...naturally increases at so high a rate that, if not destroyed, the earth would soon be covered with the progeny of a single pair. Even slow-breeding man...a few thousand years, there would literally not be standing-room for his progeny. Linnaeus has calculated that if an annual plant produced only two seeds... | |
 | David Starr Jordan - Evolution - 1898 - 448 pages
...single pair. Even slow-breeding man has doubled in twenty-five years, and, at this rate, in less than a thousand years there would literally not be standing room for his progeny. . . . The elephant is reckoned the slowest breeder of all known animals, and I have taken some pains... | |
 | George Gore - Ethics - 1899 - 596 pages
...is no exception to the rule that every organic being naturally increases at so high a rate, that, if not destroyed, the earth would soon be covered by...doubled in twenty-five years, and at this rate in less than a thousand years there would literally not be standingroom for his progeny " (Darwin). The... | |
 | Marion Daniel Shutter - Religion and science - 1900 - 318 pages
...exception," he says, " to the rule that every organic being naturally increases at so high a rate, that if not destroyed, the earth would soon be covered by the progeny of a single pair." This is the ground- work of natural selection. What is the result? Away back in the animal kingdom... | |
 | THOMAS G GENTRY - 1900 - 566 pages
...contain them. Slow-breeding man has doubled in twenty-five years, and should he go on at this rate for a few thousand years, there would literally not be standing room for his progeny. It has been calculated that, if an annual plant produced only two seeds, and their seedlings next year... | |
 | Thomas George Gentry - Animal behavior - 1900 - 532 pages
...contain them. Slow-breeding man has doubled in twenty-five years, and should he go on at this rate for a few thousand years, there would literally not be standing room for his progeny. It has been calculated that, if an annual plant produced only two seeds, and their seedlings next year... | |
 | David Starr Jordan, Vernon Lyman Kellogg - Zoology - 1900 - 360 pages
...Even slow-breeding man," says Darwin, " has doubled in twenty-five years. At this rate in less than a thousand years there would literally not be standing room for his progeny. The elephant is reckoned the slowest breeder of all known animals. It begins breeding when thirty years... | |
 | Arthur Fairbanks - Sociology - 1901 - 340 pages
...governing animal organisms. His rate of increase is said to be slower than that of any other animal ; but " even slow-breeding man has doubled in twenty-five years, and at this rate, in less than a thousand years, there would literally not be standing-room for his progeny." * Statistics... | |
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There is no exception to the rule that every organic being naturally increases at so high a rate, that, if not destroyed, the earth would soon be covered by the progeny of a single pair. 
