And this certainly holds true if varieties be looked at as incipient species; for my tables clearly show, as a general rule, that, wherever many species of a genus have been formed, the species of that genus present a number of varieties, that is, of incipient species, beyond the average.
Eta hau benetan egiazko gertatzen da aldakiak espezie hasberritzat joz gero, nire taulek, arau orokor gisa, argiro erakusten baitute, genero bateko espezie asko sortu den edozein tokitan, genero honen espezieek batez bestekoa baino aldaki kopuru, hots, espezie hasberrien kopuru, handiagoa agertzen dutela.