HOFFMAN, Prof., on Raphanus.

HOG, Red River.

HOGG, Mr., retardation of breeding in cows by hard living.

HOLLAND, Sir H., necessity of inheritance. -on hereditary diseases. -hereditary peculiarity in the eyelid. -morbid uniformity in the same family. -transmission of hydrocele through the female. -inheritance of habits and tricks.

HOLLY, varieties of the. -bud-reversion in. -yellow-berried.

HOLLYHOCK, bud-variation in. -non-crossing of double varieties of. -tender variety of the.

HOMER, notice of geese. -breeding of the horses of Aeneas.

HOMOLOGOUS parts, correlated variability of. -fusion of. -affinity of.

HOOFS, correlated with hair in variation.

HOOK-BILLED duck, skull figured.