Clarence E. and F. B. W.—You can get the back numbers of Young People you require by forwarding the necessary amount to the publishers, with your full address. They will cost four cents for each copy.
Eddie de Lima.—The oldest text-book on arithmetic employing the Arabian or Indian figures (those at present in use), and the decimal system, is that of Avicenna, an Arabian physician who lived in Bokhara about a.d. 1000. It was found in manuscript in the library at Cairo, Egypt, and contains, besides the rules for addition, subtraction, multiplication, and division, many peculiar properties of numbers. It was not until the seventeenth century that arithmetic became a regular branch of common education.
Captain Frank.—The average price of a boy's bicycle is from twenty-five to fifty dollars. Very small sizes may be obtained at a lower price.
Favors are acknowledged from Lizzie Gieselberg, H. N. Dawson, John R. Blake, C. D. Nicholas, Carrie Hard, Lilian McDowell, Nellie Rossman, Henry Coleman, Annie M. Douglas, Aggie M. Mason, Madgie W. B., Sallie R. Ely, Dora Williams, M. W. D., Mary McWhorter.
Correct answers to puzzles are received from Olive Russell, "Chiquot," Minnie H. Ingham, Sidney Abenheim, Emma Shaffer, Edward L. Hunt, Allie Maxwell, George Volckhausen.