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to side, and took no notice of me. At last she heaved a sigh and began, Ah, me! poor Dr. Logic (he ain't what once he was!). Good sir, I'm his errand girl. I takes round what he makes up. Deary me! day after day, door after door, the same

old answer.

Fust of all I says, "D'ye please to require any of my master's beautiful works? I've two sorts here, I says; beautiful results of art' on this right side o' my basket." "What d'ye mean?" says they. "Why," says I, " pertikler kerrect thoughts-just made and ready for use-please to give 'em a look!" And they says, "O, then! we

won't trouble you-we ain't out of them-we've got as many as we want of our own; "' and 'ow can I ask 'em to buy what they've got aready? Ah, deary me! poor Dr. Logic; he ain't o' much account nowa-days. I catches 'em up, 'owever, and says, "Well, you ain't got these others in this left side-these splendid results of the science,' the laws upon which them pertikler kerrect thoughts as you've got a'ready dippends; and they says, "no, we ain't," and may be they'll take some o' them-that left side's all poor Doctor ever sells! But, bless yer 'art alive, sir; there's of 'em as won't take even them. "We many ain't got 'em? no! and we don't want 'em. None of yer humbuggy, cranky, theoretical stuff 'ere-practical results-that's what we want. Come-be off!""

I woke, thoroughly moved to pity, and vowing I would never treat poor Dr. Logic so badly.

CHAPTER VI.

LOGIC THE SCIENCE OF SCIENCES AND ART OF ARTS.

'TELL us, Destrawney, what you mean by science of sciences.'

'It seems to me to mean "best of all sciences; science-science-I forget the word-par exemple? no, no! something like that-dear me—

'Par excellence,' suggested Dyver.

'That's it,' said I; 'science par excellence.'

'I should rather say that science of sciences and art of arts means the science which is concerned with every other science, and the art with every other art. And this may be put simply thus:Thought is required for every science and art; for without thought we cannot ascend from particulars to universals, or descend from universals to particulars, and this is science and art. It is for this reason that the animals are destitute of science and art. They have sensation-that is to say, they can apprehend particulars, but general notions or universal propositions or inferences we have every reason to suppose they cannot attain to. The dog knows "this fire" and "this fire burns." But it is very

improbable that the dog can form the general notion "fire," or the universal proposition "all fire burns," or the deliberate inference "all fire burns my nose; master's cigar is fire; therefore master's cigar burns my nose." Though the bird and the beaver and the bee evince marvellous sagacity, it is probably without any power to ascend to the universal; or, at all events, to ascend consciously, as man does. Thought, then, is required for every science and art; but thought itself is, so to speak, subject to its own science and art, Logic. Thought has its laws, and must obey them wherever it goes, if it would be called correct thought, as much as men have their laws and must obey them wherever they go if they would be called respectable men. Consequently Logic is the science and art of every science and art.

'To put it briefly. Where thought goes there the science and art of thought go also.

'But the science and art of thought were proved to be Logic.

also.

"Therefore where thought goes, there Logic goes

'But thought goes into every science and art.

"Therefore Logic goes into every science and art. "Therefore Logic is the science of sciences and art of arts.'

'Q.E.D.' muttered I mechanically and with an involuntary shudder at the thought that Logic seemed