(292/2.
Possibly the passage referred to is on page 52.) Notwithstanding the clearness of every sentence, the subjects are in part so difficult that I found them stiff reading.

I fear, therefore, that it will be too stiff for the general public; but I heartily hope that this will prove to be a mistake, and in this case the intelligence of the public will be greatly exalted in my eyes.

The writing of this book must have been awfully hard work, I should think.
LETTER 293.

TO F.MULLER.Down, March 4th [1879].
I thank you cordially for your letter.

Your facts and discussion on the loss of the hairs on the legs of the caddis-flies seem to me the most important and interesting thing which I have read for a very long time.
I hope that you will not disapprove, but I have sent your letter to "Nature" (293/1.