ˈiːvən sˈoʊ, hɪz fˈaɪndɪŋz wɜː kwˈɛstʃənd baɪ tʃˈɑːɹlz dˈuːlɪɾəl wˈɔlkɑːt, hˌuː kwˈoʊɾᵻd əpˈɪniən ðætðə ʃˈeɪps ɪnðə ɹˈɑːks wɜː kɑːŋkɹˈɛʃənz fˈɔːɹmd ˌɪnoːɹɡˈænɪkli.
Even so, his findings were questioned by Charles Doolittle Walcott, who quoted opinion that the shapes in the rocks were concretions formed inorganically.