WORKS BY THE SAME AUTHOR.

RESPONSE IN THE LIVING AND NON-LIVING. With 117 Illustrations, 8vo. 10s. 6d. 1902

PLANT RESPONSE: AS A MEANS OF PHYSIOLOGICAL INVESTIGATION. With 278 Illustrations, 8vo. 21s. 1906

COMPARATIVE ELECTRO-PHYSIOLOGY. A PHYSICO-PHYSIOLOGICAL STUDY. With 406 Illustrations, 8vo. 15s. 1907

RESEARCHES ON IRRITABILITY OF PLANTS. With 190 Illustrations, 8vo. 10s. 6d. net 1913

LIFE MOVEMENTS IN PLANTS, VOL. I. With 92 Illustrations, 8vo. 10s. 6d. 1918

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