—— Key. Demy 8vo. 2s. 6d.

—— Exercises in Book-keeping. 18mo. 1s.

BOTANY.

(See also Agriculture; Gardening.)

ALLEN (Grant).—On the Colours of Flowers. Illustrated. Cr. 8vo. 3s. 6d.

BALFOUR (Prof. J. B.) and WARD (Prof. H. M.).—A General Text-Book of Botany. 8vo. [In preparation.]

BETTANY (G. T.).—First Lessons in Practical Botany. 18mo. 1s.

BOWER (Prof. F. O.).—A Course of Practical Instruction in Botany. Cr. 8vo. 10s. 6d.—Abridged Edition. [In preparation.]

CHURCH (Prof. A. H.) and SCOTT (D. H.).—Manual of Vegetable Physiology. Illustrated. Crown 8vo. [In preparation.]

GOODALE (Prof. G. L.).—Physiological Botany.—1. Outlines of the Histology or Phænogamous Plants; 2. Vegetable Physiology. 8vo. 10s. 6d.