R Tucker AbbottR. Tucker Abbott was one of the twentieth century's most prominent specialists in seashells and mollusks. He wrote more than thirty books - including American Seashells, Seashells of the World, The Shell, and The Kingdom of th Seashell - several of which are still used for reference today. He named five species of seashells and mollusks, and fifteen more species have been named in his honor. Read More Read Less