The spelling of "AVERIIG CAPTIS IN WITHERNAM" is likely a result of an incorrect transcription or an intentional misspelling. In IPA phonetic transcription, it might be pronounced as /ævəridʒ kæptɪs ɪn wɪðərnæm/. It's unclear what this phrase could refer to, but if interpreting it as "Average Captains in Withernam," the correct spelling would be "Average Captains in Withernham." It's important to ensure accuracy in spelling to avoid confusion or misinterpretation of information.