The hind legs of the basset hound became shorter, while the ears became a lot longer. Their face also became shorter, and the skin now has more folds than it did before.
Today, the sausage dogs have a longer face and body. Also, a chest that's slightly wider and hind leggies—shorter.
Old English sheepdog
The Old English sheepdog used to be much shaggier than it is today. Apart from that, the looks haven't changed much over the last 100 years.
The face of the bull terrier became shorter, while the jaws as well as the bridge of the nose became larger. The body shape became more muscular and legs—shorter.
These cuties are roughly the same size they were a century ago, but they were bred to have bigger eyes and flatter noses. Unfortunately, it has been linked to breathing problems and other health issues.
While they appear rather similar, Newfoundlands were likely much smaller than they are today. "Dogs of all Nations" writes that the breed weighed somewhere around 100 pounds back in 1915, whereas today, Newfoundland males can weigh up to 150 pounds.
The coat of the Scottish terrier is now much longer, and also has a slightly different texture, which makes it softer. 100 years ago, their coat used to be wiry.
West Highland white terrier
This cutie hasn't changed a lot during the years (probably because he was already so darn cute), but the fur became a little bit longer and thicker.
Over the course of 100 years, German shepherds became larger, while their fur became longer and thicker. The skeleton has changed slightly too, while the chest of these majestic dogs is now wider.
These cuties haven't changed much, except for a shaggier coat and a longer face with more fur.
These long-legged dogs used to weigh less than they do today. According to "Dogs of All Nations," they used to weigh around 120 pounds, while today, males can reach up to 175 pounds.
The body shape of Dobermann became more slender, while the ears look slightly different, too. Also, they're not as aggressive as they used to be a century ago.
Irish setters haven't changed much, except for a longer and thicker coat they now have and a slightly thinner body.
During 100 years, the Shetland Sheepdog has doubled in size, while its fur also became longer.
These adorable balls of fluff weighed around 50 pounds a century ago. Today, they weigh up to 75 pounds. In addition to this, the faces of Chow Chows became more wrinkly.
As you can see, Rottweilers today have a much longer tail. Also, their coat is now coarser than it was before.
The body shape of the Boxer was obviously altered, while their faces used to be longer and more downturned than they are today.
The Salukis have become even taller than they were before. Today, they are also thinner, have longer ears, and legs that are thin and long.