As our exchange department is intended to develop in our readers a knowledge of the flowers, trees, butterflies, birds' eggs, minerals, and other natural products of different sections of their own country, we pay no attention to requests for exchanges of useless things, which could lead at best to nothing higher than the gratification of an idle curiosity.

The following communication was written in Danish, but as we fear that language is not understood by many of our readers, we publish only the translation:

Harper's Young People, July 20, 1880 — Part 30

I am seven years old, and I live in Denmark. I like the pictures in YOUNG PEOPLE very much, and my aunt translates the stories to me, for I can not read English. We have made a drawing of Wiggle No. 11, and send it to you. I have a little white cat, and a big black dog called Sagax. Just outside of our garden there is a wood dove on its nest. I can stand close by it, and it is not at all afraid of me.

Harper's Young People, July 20, 1880 — Part 30

We are very sorry your Wiggles came too late to be printed among our answers to No. 11, for they are very pretty.

Harper's Young People, July 20, 1880 — Part 30

I take YOUNG PEOPLE, and I don't know what I should do without it. I am eleven years old, and I have three brothers, all older than myself. We have two colts. One of them kicked me on the hip, but did not hurt me very much. I wish some little girl would send a nice recipe for making cookies.

I have read every number of YOUNG PEOPLE, from the first to the last one published. I enjoy reading the letters sent by the correspondents, and I like to read all the recipes for candy and cake. During vacation I am going to try them all. I have a pet canary-bird, which was a birthday gift.

I am pressing a few leaves that I gathered on the Palisades, and I am going to press a good many this summer. When they are ready, I shall try to exchange with some little girl.

I like YOUNG PEOPLE better than any other paper I have ever taken.

I have a pet 'coon, a squirrel, a canary, a dog, and two cats. And I have a large doll. She is three feet and eight inches tall. Her name is Gervaise. I got her at the Centennial Exhibition.

I love to read the letters in the Post-office Box.

I went fishing this spring for the first time, and caught six fish. I am eleven years old, and now in the summer I am not going to school.