The Quarterly Review seized the opportunity of the appearance of this number to make a vile attack upon the series and its writer. Harriet suffered under it to a degree which seems almost excessive. The review is so obviously full of fallacies, as regards its Political Economy, that any person whose opinion was worth having could hardly hesitate in deciding that she, and not her critic, was talking common-sense and arguing logically. As to the personal part of the article, it is, though scurrilous, and even indecent, so very funny that the attacked might almost have forgotten the insult in the amusement. Nevertheless, the writers, Croker and Lockhart, did their worst. Croker openly said that he expected to lose his pension very shortly, and, being wishful to make himself a literary position before that event happened, he had begun by "tomahawking Miss Martineau." All that could be painful to her as a woman, and injurious to her as a writer, was said, or attempted to be conveyed, in this article.
Let us see what it was all about. Garveloch, one of the Hebridean islands, is seen in the "Illustration" rapidly multiplying its population, both by early marriages and by immigration, under the stimulus of a passing prosperity in the fishing industry. The influx of capital and the increase of the demand for food, have led to such an improvement in the cultivation of the land, that the food produce of the island has been doubled in ten years. Ella, the heroine (a fine, strong, self-contained, helpful woman—one of the noblest female characters in these works), foresees that if the reckless increase of population continues, the supply of food will by-and-by run short. Her interlocutor asks how this will be the case, since the population will surely not double again, as it has done already, in ten years? Then the Quarterly quotes Ella's reply, and comments on it:—
"Certainly not; but say twenty, thirty, fifty or any number of years you choose; still, as the number of the people doubles itself for ever, while the produce of the land does not, the people must increase faster than the produce."
This is rare logic and arithmetic, and not a little curious as natural history. A plain person now would have supposed that if the produce doubled itself in ten, and the people only in a hundred years, the people would not increase quite so fast as the produce, seeing that at the end of the first century the population would be multiplied but by two, the produce by one thousand and twenty-four. But these are the discoveries of genius! Why does Miss Martineau write, except to correct our mistaken notions and to expound to us the mysteries of "the principle of population."
The reviewer goes on to suggest, in the broadest language, that she has confounded the rate of the multiplication of the herring-fisher-women with that of the herrings themselves; reproves her for writing on "these ticklish topics" with so little physiological information; and tells her that she, "poor innocent, has been puzzling over Mr. Malthus's arithmetical and geometrical ratios for knowledge which she should have obtained by a simple question or two of her mamma." In one and the same paragraph, he tells her that he is "loth to bring a blush unnecessarily upon the cheek of any woman," and asks her if she picked up her information on the subject "in her conferences with the Lord Chancellor?"
This is enough to show to what a sensitive young lady was exposed in illustrating "a principle as undeniable as the multiplication table," and in stating the facts upon which hangs the explanation of the poverty, and therefore of a large part of the vice and misery, of mankind. Miss Martineau's exposition was, of course, entirely right, and the fallacy in the review is obvious, one would suppose on the surface. The reviewer's error consists in his assumption—the falsity of which is at once apparent on the face of the statement—that land can go on doubling its produce every ten years, for an indefinite period. So far from this being true, the fact is that the limit of improving the cultivation of land is soon reached.
Better agricultural treatment may easily make half-cultivated land bring forth double its previous produce; but the highest pitch of farming once reached—as it comparatively soon is—the produce cannot be further increased; and even before this limit is reached, the return for each additional application of capital and labor becomes less and less proportionately bountiful. This is the truth known to political economists as "the Law of the Diminishing Return of Land." Taken in conjunction with the fact that the human race can double for ever, theoretically, and in reality does multiply its numbers with each generation, checked only by the forethought of the more prudent and the operations of famine, war, crime, and the diseases caused by poverty, this law explains why mankind does not more rapidly improve its condition—why the poor have been always with us—and why teaching such as Harriet Martineau here gave must be received into the popular mind before the condition of society can be expected to be improved in the only way possible, by the wisdom and prudence of its members.
Painful as was the attack she had undergone, intensely as she had suffered from its character and nature, Miss Martineau did not allow what she had felt of personal distress to have any influence on her future writings. Her moral courage had been well trained and exercised, first by the efforts that her mind had had to make in following her conscience as a guide to the formation of opinions, in opposition to the tendency implanted by her mother's treatment to bow supinely before authority; secondly, by the lesson of endurance which her deafness had brought to her. She had now to show, for the first, but by no means the last time, that hers was one of those temperaments which belong to all leaders of men, whether in physical or moral warfare; that danger was to her a stimulus, and that her courage rose the higher the greater the demand for its exercise.
Praise and blame, appreciation and defamation, strengthened and enlarged her mind during this period. But at the end of it, Sydney Smith could say: "She has gone through such a season as no girl before ever knew, and she has kept her own mind, her own manners, and her own voice. She's safe."