Helix lactea, ii. [280].

Hemerocallis fulva and flava, interchanging by bud-variation, i. 386.

Hemlock yields no conicine in Scotland, ii. [274].

Hemp, differences of, in various parts of India, ii. [165];

climatal difference in products of, ii. [274].

Hempseed, effect of, upon the colour of birds, ii. [280].

Hermaphrodite flowers, occurrence of, in Maize, i. 321.

Hen, assumption of male characters by the, ii. [51], [54];

development of spurs in the, ii. [318].

"Hennies," or hen-like male fowls, i. 252.