In the foregoing paragraph I have given the point of difference between Mr. Charles Darwin and his predecessors. Why, I wonder, have neither he nor any of his exponents put this difference before us in such plain words that we should readily apprehend it? Erasmus Darwin and Lamarck were understood by all who wished to understand them; why is it that the misunderstanding of Mr. Darwin’s “distinctive feature” should have been so long and obstinate? Why is it that, no matter how much writers like Mr. Grant Allen and Professor Ray Lankester may say about “Mr. Darwin’s master-key,” nor how many more like hyperboles they brandish, they never put a succinct _résumé_ of Mr. Darwin’s theory side by side with a similar _résumé_ of his grandfather’s and Lamarck’s? Neither Mr. Darwin himself, not any of those to whose advocacy his reputation is mainly due, have done this. Professor Huxley is the man of all others who foisted Mr. Darwin most upon us, but in his famous lecture on the coming of age of the “Origin of Species” he did not explain to his hearers wherein the Neo-Darwinian theory of evolution differed from the old; and why not? Surely, because no sooner is this made clear than we perceive that the idea underlying the old evolutionists is more in accord with instinctive feelings that we have cherished too long to be able now to disregard them than the central idea which underlies the “Origin of Species.” What should we think of one who maintained that the steam-engine and telescope were not developed mainly through design and effort (letting the indisputably existing element of luck go without saying), but to the fact that if any telescope or steam-engine “happened to be made ever such a little more conveniently for man’s purposes than another,” &c., &c.? Let us suppose a notorious burglar found in possession of a jemmy; it is admitted on all hands that he will use it as soon as he gets a chance; there is no doubt about this; how perverted should we not consider the ingenuity of one who tried to persuade us we were wrong in thinking that the burglar compassed the possession of the jemmy by means involving ideas, however vague in the first instance, of applying it to its subsequent function.