The author reflects on the domestic dog breeds, noting their profound differences from their wild ancestral species. He emphasizes the vast amount of hereditary variation that has taken place, questioning whether the numerous distinct breeds, such as the Italian Greyhound and the Bulldog, could have ever existed naturally in the wild. This highlights the unique evolution of domestic dogs, shaped by selective breeding.

The statement underscores the intriguing relationship between domestic animals and their wild relatives, suggesting that human intervention through breeding has led to drastic physical and behavioral changes. This observation invites contemplation on the role of humans in shaping the diversity of dog breeds, contrasting their current forms with the characteristics of wild canids.