Excerpt from Proceedings of the Canadian Institute, Toronto, Vol. 7: Being a Continuation of "the Canadian Journal of Science, Literature and History" Some time ago rabbits were introduced into Australia, and at first when they were comparatively rare they were regarded as a useful addition to the wealth of that country, and for a while the increase of their number was regarded as an increase of wealth; but their number has now become destructive to crops, and the settlers are pestered by them. An increase of quantity therefore by itself is not necessarily an increase of wealth. To show the relation of quantity and value to wealth a diagram was formed tracing a variable quantity of water, commencing from absolute drought to the point of satiety, thence to the point of excess, and ending with a deluge. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.