text_original: This much is positively known, and very important knowledge it is ; but the rest of the life history of this dangerous and troublesome parasite is a blank. Many investigators have tried to fill it in.
text_transcription: THIS MUCH IS POSITIVELY KNOWN AND VERY IMPORTANT KNOWLEDGE IT IS BUT THE REST OF THE LIFE CYCLE OF THIS DANGEROUS AND TROUBLESOME PARASITE IS A BLANK MANY INVESTIGATORS HAVE TRIED TO FILL IT IN
phonemes: ðɪs mˈʌtʃ ɪz pˈɑːzᵻtˌɪvli nˈoʊn, ænd vˈɛɹi ɪmpˈɔːɹtənt nˈɑːlɪdʒ ɪɾ ˈɪz ; bˌʌt ðə ɹˈɛst ʌvðə lˈaɪf hˈɪstɚɹi ʌv ðɪs dˈeɪndʒɚɹəs ænd tɹˈʌbəlsˌʌm pˈæɹəsˌaɪt ɪz ɐ blˈæŋk. mˈɛni ɪnvˈɛstᵻɡˌeɪɾɚz hæv tɹˈaɪd tə fˈɪl ɪɾ ˈɪn.