The Law of Population: A Treatise, in Six Books; in Disproof of the Superfecundity of Human Beings, and Developing of the Real Principle of Their Increase, Volumen2
J. Murray, 1830 - 690 páginas
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according actual already amount animal annual appears argument assertion attended authority average become births calculated causes census chapter circumstances compared computation conceptions conclusion confirmation consequently consideration considered contrary deaths demonstration divided divisions effect England entire equal especially evidently examination excess exhibit existence express extent facts fecundity females former fully further give given greater human important increase individuals inhabitants instance latter law of population least less males Malthus marriages marry means method mortality namely Nature nearly necessary observed occurred operation perhaps period population possible preceding present preventive check principle produce prolificness proof proportion prove question reason reference regarding registers regulated relative remaining remark render respects riages says seems sexes shew short sufficiently supposed taken term theory tion towns true truth universal whole
Página 651 - No flocks that range the valley free, To slaughter I condemn: Taught by that Power that pities me, I learn to pity them...
Página 352 - 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 of those cruel and unnatural expedients so frequently adverted to, constitutes what I presume to call THE LAW OF POPULATION ; and that law may be thus briefly enunciated: — " THE PROLIFICNESS OF HUMAN BEINGS, OTHERWISE SIMILARLY CIRCUMSTANCED,...
Página 679 - And there went forth a wind from the LORD, and brought quails from the sea, and let them fall by the camp, as it were a day's journey on this side, and as it were a day's journey on the other side, round about the camp, and as it were two cubits high upon the face of the earth.
Página 690 - Spire to heaven," are seen rising as far as the eye can stretch, and crown the happy prospect with the proof that mankind are neither insensate nor ungrateful ; that they know who it is that " gives them rain and fruitful seasons, filling their hearts with food and gladness.
Página 28 - Hence marriages in America are more general, and more generally early than in Europe. And if it is reckoned there, that there is but one marriage per annum among one hundred persons, perhaps we may here reckon two ; and if in Europe they have but four births to a marriage (many of their marriages being late), we may here reckon eight, of which, if...
Página 621 - Through the animal and vegetable kingdoms Nature has scattered the seeds of life abroad with the most profuse and liberal hand; but has been comparatively sparing in the room and the nourishment necessary to rear them.
Página 224 - ... and by an increase in the burials ; therefore by a decrease in the excess of the births above the deaths. Thus it appears, that an increase in the quantity of food, or in the facility...
Página 47 - But, to be perfectly sure that we are far within the truth, we will take the slowest of these rates of increase, a rate in which all concurring testimonies agree, and which has been repeatedly ascertained to be from procreation only. It may safely be pronounced, therefore, that population, when unchecked, goes on doubling itself every twenty-five years, or increases in a geometrical ratio.