Cuénot, [50], [119]

"Cupid" sweet peas, [62]

Currant moth, [99]

Darwin, C., [10], [65], [147], [163]

De Vries, H., [15], [29], [141]

Discontinuity in variation, [14]

Dominant characters, [18]

Doncaster, L., [99]

Drinkwater, H., [172]

Dutch rabbits, [60]