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62 to be accounted for by their being nursed in the long solitudes to which his bad health and limited circumstances frequently confined him, without having his eyes opened to their fallacies by a discussion of their merits, or interchange of thought with others: for

It may likewise be supposed that he would be unwilling to perceive, or if he did perceive, equally reluctant to acknowledge, the imperfection of systems which he had wrought out with so much care and labour. For that they must have cost him a great degree of laborious thought, will appear from the slightest inspection. It must also be allowed, that they evince a reach of mind, a power of original thinking, and a degree of varied knowledge, calculated to convey no mean idea of his intellectual character. Neither can we deny to them a certain degree of consistency, or adaptation of parts to each other; and although the praise of consistency must be qualified by the admission that it is consistency in error, yet, in such cases, this is of such difficult attainment, as of itself to imply a high degree of acuteness and circumspection. However startling the conclusions to which Lamarck leads us, they are generally drawn by a legitimate and fairly managed process of induction from the assumed