Why does sandburg compare the frog to the cat

Cats typically sit on their haunches as they stare out at the world. This particular stance, unique to the cat, enables them to keep watch over their surroundings, but also be ready to take off if necessary. When a cat is on its haunches, they cannot be captured because it is easy for them to escape with a quick jump

Hope its right

the narrator is saying that the old lady made her feel uncomfortable. you know this because they say "i found that rather irksome", "perhaps it was her being so upright and trim", and "i don't think it was that, because i thought that quaintly pleasant." hope this !

caminas makes the most sense here since it means to walk.