"At once speculative and practical, entering largely into the philosophy of teaching, and manfully handling facts."—Philadelphia Press.
PRIMERS
IN SCIENCE, HISTORY and LITERATURE.
18mo. Flexible cloth, 45 cents each.
I.—Edited by Professors Huxley, Roscoe, and Balfour Stewart.
SCIENCE PRIMERS.
| Chemistry … H. E. Roscoe. | Botany … J. D. Hooker. |
| Physics … Balfour Stewart. | Logic … W. S. Jevons. |
| Physical Geograph …y A. Geikie. | Inventional Geology … A. Geikie. |
| Geometry … W. G. Spencer. | Physiology … M. Foster. |
| Pianoforte … Franklin Taylor. | Astronomy … J. N. Lockyer. |
| Political Economy … W. S. Jevons. |