CHAPTER FOUR. THE GLASS CAT The cat was made of glass, so clear and transparent that you could see through it as easily as through a window. In the top of its head, however, was a mass of delicate pink balls which looked like jewels, and it had a heart made of a blood-red ruby. The eyes were two large emeralds, but aside from these colors all the rest of the animal was clear glass, and it had a spun-glass tail that was really beautiful. "Well, Doc Pipt, do you mean to introduce us, or not?" demanded the cat, in a tone of annoyance. "Seems to me you are forgetting your manners." "Excuse me," returned the Magician. "This is Unc Nunkie, the descendant of the former kings of the Munchkins, before this country became a part of the Land of Oz." "He needs a haircut," observed the cat, washi