...philosophy of evolution from the author's point of view. Beginning with the statement that " Evolu1 Geological Biology. An Introduction to the Geological History of Organisms. By Henry Shaler Williams. New York, 1895. Henry Holt & Co. tion is concerned with two distinct fields of human...

...Crystallography. By GEORGE HUNTINGTON WILLIAMS, late Professor in the Johns Hopkins University, x + 270 pp. I2mo. Revised and Enlarged. $1.25 net. Williams's...WILLIAMS, Professor of Geology in Yale College. 8vo. 395 pp. $2.80 net. Woodhull's First Course in Science. By JOHN F. WOODHULL, Professor in the Teachers'...

...HUNTINGTON WILLIAMS, late Professor in the Johns Hopkins University. x + 270 pp. Revised and Enlarged. $i.25 net. Williams's Geological Biology. An Introduction...WILLIAMS, Professor of Geology in Yale College. 8vo. 395 pp. $2.80 net. Woodhull's First Course in Science. By JOHN F. WOODHULL, Professor in the Teachers'...

...Crystallography. By GEORGE HUNTINGTON WILLIAMS, late Professor in the Johns Hopkins University• x -\- 270 pp. I2mo. Revised and Enlarged. $1.25 net. Williams's...WILLIAMS, Professor of Geology in Yale College. 8vo. 395 pp. $2.80 net. Woodhull's First Course in Science. By JOHN F. WOODHULL, Professor in the Teachers'...

...Crystallography. By GEORGE HUNTINGTON WILLIAMS, late Professor in the Johns Hopkins University, x + 270 pp. I2mo. Revised and Enlarged. $1.25 net. Williams's...WILLIAMS, Professor of Geology in Yale College. 8vo. 395 pp. $2.80 net. Woodhull's First Course in Science. By JOHN F. WOODHULL, Professor in the Teachers'...

...Professor in the Johns Hopkins University. X + 270 pp. I2mo. Revised and Enlarged. $i.25 net. Williatns's Geological Biology. An Introduction to the Geological...WILLIAMS, Professor of Geology in Yale College. 8vo. 395 pp. $2.80 net. Woodhull's First Course in Science. By JOHN F. WOODHULL, Professor in the Teachers'...

...Crystallography. By GEO. HUNTINGDON WILLIAMS, late Professor in Johns Hopkins University. 270 pp. Revised 1 .25 Williams's Geological Biology. An Introduction to the Geological History of Organisms. By Prof. HENRY S.WILLIAMS of Yale. 8v-o. 395pp. 2.80 Woodhull's First Course in Science. By Prof. JOHN...

...Pteridophyta North of Mexico. By LUCIEN M. UNDERWOOD, Professor in DePauw University. Revised, xii + 156 pp. I2mo. $1.00, net. Williams's Elements of Crystallography....Professor in the Teachers' College, New York City. I. Book of Experiments. xiv-[-79Pp. 8vo. Paper. $<x..,net. IT. Text-Book, xv -|-133 pp. I2mo. Cloth....

...Crystallography. By GEORGE' HUNTINGTON WILLIAMS, late Professor in the Johns Hopkins University. x + 27°PP- I2mo. Revised and Enlarged. $1.25, net. Williams's...WILLIAMS, Professor of Geology in Yale College. 8vo. About 3oo pp. (Oft., '95.) Woodhull's First Course In Science. By JOHN F. WOODHULL, Professor in the Teachers'...

...Crystallography. By GEORGE HUNTINGTON WILLIAMS, late Professor in the Johns Hopkins University. x + 27opp. I2mo. Revised and Enlarged. $1.25 net. Williams's...WILLIAMS, Professor of Geology in Yale College. 8vo. 395 pp. $2.80 net. Woodhull's First Course in Science. By JOHN F. WOODHULL, Professor in the Teachers'...