Eleanor Stackhouse Atkinson

“ Another is that, as he has so much better inside parts to digest with, he neither needs those outside claws to tear up his food, nor a big three-roomed stomach to keep straining out the large pieces and digesting them. There are no large pieces in his food, because he lives on little one-celled plants and animals. ”

“ While the mollusks are so simple on the outside, as compared with the crawfish, they have a good many more parts on the inside The oyster is like a watch in more ways than one. It's easy to see that he has a hard case ”