He used 100 seeds of each of seven different diameters and constructed a two-way plot of diameters of the original seeds against the diameters of the seeds of the next generation.
Siya na ginamit 100 buto ng bawat isa sa pitong iba't-ibang diameters at itinayo ng dalawang-daan balangkas ng diameters ng orihinal na buto laban sa mga diameters ng buto ng susunod na henerasyon.