ðɪ ɐpˈɪɹəns ʌv ðiːz ˈɛlɪmənts kæn biː ɛksplˈeɪnd baɪ bˈækfɔːɹmˈeɪʃən; ðæt ˈɪz, ðɪ ˈɔːθɚ mˌænjuːfˈæktʃɚd stˈoːɹiz tʊ ɛksplˈeɪn ˈɛlɪmənts ɔːlɹˌɛdi nˈoʊn tə hɪz ɹˈiːdɚz.
The appearance of these elements can be explained by back-formation; that is, the author manufactured stories to explain elements already known to his readers.