Human Physiology. By John W. Ritchie, Professor of Biology, College of William and Mary. A text on physiology, hygiene, and sanitation for upper grammar or junior high schools. $1.60.

Laboratory Manual for Human Physiology. By Carl Hartman, University of Texas. A manual to accompany Ritchie's Human Physiology. Bound in paper and cloth. 60 cents and $1.00.

Science for Beginners. By Delos Fall, Albion College, Michigan. A beginning text in general science for intermediate schools and junior high schools. $1.68.

Exercise and Review Book in Biology. By J. G. Blaisdell, Yonkers, N. Y., High School. A combined laboratory guide, notebook and review book for students' use. Written from the standpoint of efficiency and furnishing material for a year's work and to accompany any one of several high-school texts in general biology. Bound in strong paper. $1.20.

Trees, Stars, and Birds. By E. L. Moseley, Ohio State Normal College, Bowling Green. A book of outdoor science for junior high schools and the upper grammar grades. $1.80.

Personal Hygiene and Home Nursing. By Louisa C. Lippitt, University of Wisconsin. A practical text for use with classes of young women in vocational and industrial high schools, colleges, and normal schools. $1.68.

Science of Plant Life. By E. N. Transeau, Ohio State University. A scientific and very practical text for high schools. $1.88.

Zoölogy. By T. D. A. Cockerell, University of Colorado. A text for college use. $3.60.

Experimental Organic Chemistry. By A. P. West, University of the Philippines. A text for college use. $3.20.

Common Science. By Carleton W. Washburne, Superintendent of Schools, Winnetka, Illinois. Especially made for junior high schools. $1.68. Also Manual for above, 20 cents.