DAUBENTON, variations in the number of mammae in dogs. -proportions of intestines in wild and domestic cats.
DAUDIN, on white rabbits.
DAVY, Dr., on sheep in the West Indies.
DAWKINS, W. BOYD, history of the dog. -origin of cattle. -early domestication of Bos longifrons in Britain.
DEAF-MUTES, non-heredity in.
DEAFNESS, inheritance of.
DEAN, potato-grafting.
DEBY, wild hybrids of common and musk ducks.
DE CANDOLLE, ALPH., number and origin of cultivated plants. -regions which have furnished no useful plants. -wild wheat. -wild rye and oats. -antiquity of varieties of wheat. -apparent inefficacy of selection in wheat. -origin and cultivation of maize. -colours of seeds of maize. -varieties and origin of the cabbage. -origin of the garden-pea. -on the vine. -cultivated species of the orange group. -probable Chinese origin of the peach. -on the peach and nectarine. -varieties of the peach. -origin of the apricot. -origin and varieties of the plum. -origin of the cherry. -varieties of the gooseberry. -selection practised with forest-trees. -wild fastigiate oak. -dark-leaved varieties of trees. -conversion of stamens into pistils in the poppy. -variegated foliage. -heredity of white hyacinths. -changes in oaks dependent on age. -inheritance of anomalous characters. -variation of plants in their native countries. -deciduous bushes becoming evergreen in hot climates. -antiquity of races of plants.
DE CANDOLLE, P., non-variability of monotypic genera. -relative development of root and seed in Raphanus sativus.