"We may call this conformity to type, without getting much nearer to an explanation of the phenomenon;" and he then adds "but is it not powerfully suggestive of true relationship, of inheritance from a common ancestor?"
"Honi tipoarekiko adostasuna dei diezaiokegu, fenomenoaren azalpenera asko gehiago hurbildu gabe", eta hauxe eransten du gero: "baina ez al du biziki iradokitzen egiazko senidetasunaren, arbaso komun batengandiko herentziaren ideia?"