Land of Oz Patchwork Girl of Oz", Dorothy specifies that he cannot speak because he is not a fairy dog. However, in "Ozma of Oz", the chicken Billina acquires speech merely by being swept to the lands near Oz, and in "Dorothy and the Wizard in Oz", the same is true of the kitten Eureka and the cab horse Jim when reaching the land of Mangaboos, a similarly magical land. In "Tik-Tok of Oz", Baum restored the continuity: Toto can speak, and always could, but never bothered to, because it was unnecessary. An additional inconsistency is introduced with "Tik-Tok of Oz": Hank the
Wizard of Oz experiment by that of the late professor Al Chapanis. In their 1985 University of Michigan technical report, Green and Wei-Haas state the following: "The first appearance of the "Wizard of Oz" name in print was in Jeff Kelley's thesis (Kelley, 1983a, 1983b, 1984a). It is thought the name was coined in response to a question at a graduate seminar at Hopkins (Chapanis, 1984; Kelley, 1984b). "What happens if the subject sees the experimenter [behind the "curtain" in an adjacent room acting as the computer]?" Kelley answered: "Well, that's just like what happened to Dorothy in the Wizard of Oz." And so