Chapter 27

Black Sheep. 'Nature,' December 30, 1880, volume xxiii. page 193.

Movements of Plants. 'Nature,' March 3, 1881, volume xxiii. page 409.

The Movements of Leaves. 'Nature,' April 28, 1881, volume xxiii. page 603.

Inheritance. 'Nature,' July 21, 1881, volume xxiv. page 257.

Leaves injured at Night by Free Radiation. 'Nature,' September 15, 1881,