Hieracium, [27], [132]

Himalayan rabbits, [60]

Homostyle primulas, [56]

Homozygote, definition of, [28]

Hooded sweet peas, [89]

Horses, bay and chestnut in, [167]

Hurst, C. C., [62], [176], [180]

Immunity in wheat, [158]

Individuality, [135]

Inhibition, factors for, [74], [108]