would scarcely be able to undertake them) - & whether, if in English, there are enough readers to make a large sale for them. If you see Cassell's, you will kindly explain to them. Mr. Arnold Forster said, however, as you anticipated, that he must see the book, "Lessons on Elementary Botany" - (which you kindly left with me). Can you show him one? If I lend him mine, I shall most likely never see it again.