ðɛɹwˌʌz nˈoʊ saɪəntˈɪfɪk sˈɜːveɪ kəndˈʌktᵻd ɪnðə lˈeɪt nˈaɪntiːnθ sˈɛntʃɚɹi tə dɪtˈɜːmɪn ðə spˈeɪʃəl ɛkstˈɛnt ænd ɐbˈʌndəns ʌvðɪ ˈɜːθwɜːm.
There was no scientific survey conducted in the late 19th century to determine the spatial extent and abundance of the earthworm.