Memorial Notices reprinted from "Nature." By Thomas H. Huxley, F.R.S.; G. J. Romanes, F.R.S.; Archibald Geikie, F.R.S.; and W. T. Dyer, F.R.S. 2s. 6d.

ON THE COLOURS OF FLOWERS.

By Grant Allen. Illustrated. 3s. 6d.

THE SCIENTIFIC EVIDENCES OF ORGANIC EVOLUTION.

By George J. Romanes, M.A., LL.D. 2s. 6d.

POPULAR LECTURES AND ADDRESSES.

By Lord Kelvin, P.R.S. In 3 vols. Vol. I. Constitution of Matter. Illustrated. 7s. 6d. Vol. III. Navigation. 7s. 6d.

ARE THE EFFECTS OF USE AND DISUSE INHERITED? An Examination of the View held by Spencer and Darwin.

By W. Platt Ball. 3s. 6d.

THE RIGHT HAND: LEFT-HANDEDNESS.