58. The explanation of the chart begins on p. 143. This section was anticipated in the following passage cited by Lovejoy (p. 232) from Thomas Sprat’s History of the Royal Society (1667), p. 110:

Such is the dependence amongst all the orders of creatures; the animate, the sensitive, the rational, the natural, the artificial; that the apprehension of one of them, is a good step toward the understanding of the rest. And this is the highest pitch of humane reason: to follow all the links of this chain, till all their secrets are open to our minds; and their works advanc’d or imitated by our hands. This is truly to command the world: to rank all the varieties and degrees of things so orderly upon one another, that standing on the top of them, we may perfectly behold all that are below; and make them all serviceable to the quiet and peace and plenty of Man’s life. . . .


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