Monday, Nov. 5, 1849.

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I go to Gregory to Chemistry at 10, Morale Phil. at 12, and Pract. Chem. at 13, finishing at 14, unless perhaps I   take an hour at Practical Mechanics at the School of Arts. I do not go to Sir W. H. logic, seeing I was there    before. Langhorne has got your Buchananic notes. Why do you think that I can endure nothing but    Mathematics and Logic, the only things I have plenty of? and why do you presuppose my acquaintance with your    preceptors, professors, tutor, etc. ? . . .

 I don't wonder at your failing to take interest in the exponential theorems, seeing I dislike it, although I know the   use and meaning of it. But I never would have, unless Kelland had explained it. . . .

In your next letter you may give an abstract of Aristotle's Rhet., for I do not attend Aytoun, and so I know not   what Rhet. is. I know Logic only by Reid's account of it. I will tell you about Wilson's Moral Philosophy, provided  always you want to know, and signify your desire.