I am beginning a collection of shells, minerals, birds' eggs and nests, and I would like to exchange with any correspondent of Young People. As I have just begun to collect, I have not very many things yet.
Marigo S. Gunari,
Care of P. Gunari, New Rochelle, New York.
I would like to exchange Indian arrow-heads, and specimens of lead and spar, for shells, ocean curiosities, and pressed flowers.
Emma Lee,
Elizabethtown, Hardin County, Illinois.
Earnest Reader.—The small round holes in the clam shells are probably the work of the oyster drill, a tiny sea creature which does much mischief to all kinds of shell-fish.
Alfred B. C.—Directions for making a paper balloon were given in Our Post-office Box No. 43.