 | 1830 - 622 páginas
...observation or actual proof, than that their fecundity varies in different communities and countries. The principle which effects this variation, without...CIRCUMSTANCED, VARIES INVERSELY AS THEIR NUMBERS. • The preceding definition may be thus amplified and explained. Premising, as a mere truism, that... | |
 | 1831 - 434 páginas
...research." The law of nature which Mr. Sadler has discovered, when most succinctly expressed, is that " the prolificness of human beings, otherwise similarly...circumstanced, varies inversely as their numbers." The circumstances alluded to are distinctly explained, and relate to fertility of soil, salubrity of... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - 1831 - 572 páginas
...which effects this variation, without the necessity of those cruel and unnatural expedients so often adverted to, constitutes what I presume to call THE...CIRCUMSTANCED, VARIES INVERSELY AS THEIR NUMBERS.' And here we must advert to the remarkable alteration which Mr. Sadler has thought fit to make in his... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, John Murray, Rowland Edmund Prothero (Baron Ernle), George Walter Prothero - 1831 - 570 páginas
...observation or actual proof, than that their fecundity varies in different communities and countries. The principle which effects this variation, without...necessity of those cruel and unnatural expedients so often adverted to, constitutes what I presume to call THE LAW OF POPULATION, and that law may be thus... | |
 | William Blackwood - 1831 - 986 páginas
...as the numbers of the population. This proposition, as enunciated by Mr Sadler himself, is, that " The prolificness of human beings, otherwise similarly...circumstanced, varies inversely as their numbers." This very hardy hypothesis, however, is not only not proved by the facts adduced in support of it,... | |
 | 1831 - 1070 páginas
...— supposing that it had been announced in Small Pica. " The Law of Population," says Mr Sadler, " may be thus briefly enunciated : THE PROLIFICNESS...OF HUMAN BEINGS, OTHERWISE SIMILARLY CIRCUMSTANCED, VARIESINVERSELY AS THEIR NUMBERS." Hereupon the Reviewer waxeth witty — and asserts that Mr Sadler... | |
 | 1831 - 602 páginas
...observation or actual proof, than that their fecundity varies in different communities and countries. The principle which effects this variation, without...necessity of those cruel and unnatural expedients so often adverted to, constitutes what I presume to call THE LAW OF POPULATION, and that law may be thus... | |
 | Joseph Salway Eisdell - 1839 - 636 páginas
...effects this variation, Mr. Sadler calls, the law of population, which he thus briefly enunciates. " The prolificness of human beings, otherwise similarly...circumstanced, varies inversely as their numbers."* Thus, " the • Book IV. ch. 4. prolificness of a given number of marriages, all other circumstances... | |
 | William Pulteney Alison - 1840 - 222 páginas
...Mr Sadler to counteract this position, and to establish a different law of population, viz. that " the prolificness of human beings, otherwise similarly...circumstanced, varies inversely as their numbers," and of the mass of curious and instructive statistical information which he has collected in proof... | |
 | William Pulteney Alison - 1840 - 296 páginas
...Mr Sadler to counteract this position, and to establish a different law of population, viz. that " prolificness of human beings, otherwise similarly circumstanced, varies inversely as their numbers," and of the mass of curious and instructive statistical information which he has collected in proof... | |
| |
No one fact relative to the human species is more clearly ascertained, whether by general observation or actual proof, than that their fecundity varies in different communities and countries. The principle which effects this variation, without the necessity... 
