WORKS OF THE LATE GEORGE CHANDLER WHIPPLE PUBLISHED BY JOHN WILEY & SONS, INC. The Microscopy of Drinking Water. Revised by Gordon Maskew Fair, Assistant Professor Fourth Edition, Rewritten and Enlarged. 586 pages. 6 by 9. 123 figures, 7 full-page plates in the text, and 19 plates of organisms in colors. Cloth. Vital Statistics. Second Edition. 579 pages. 4 by 7. 89 figures. BY HENRY BALDWIN WARD AND GEORGE CHANDLER WHIPPLE AND ASSOCIATES Fresh-Water Biology. By Henry Baldwin Ward, Professor of Zoology in the |