text_original: This being so, the distributing agency must be correspondingly common. It is evident that the embryo cannot escape into the outer world spontaneously, or by any effort of its own ; for, if you regard it attentively under a high power of the microscope, you will find that it is enclosed in a long loose sac in which it can move backwards and forwards, but which it is powerless to quit.
text_transcription: THIS BEING SO THE DISTRIBUTING AGENCY MUST BE CORRESPONDINGLY COMMON IT IS EVIDENT THAT THE EMBRYO CANNOT ESCAPE INTO THE OUTER WORLD SPONTANEOUSLY OR BY ANY EFFORT OF ITS OWN FOR IF YOU REGARD IT ATTENTIVELY UNDER A HIGH POWER OF THE MICROSCOPE YOU WILL FIND THAT IT IS ENCLOSED IN A LONG LOOSE SACK IN WHICH IT CAN MOVE BACKWARDS AND FORWARDS BUT WHICH IT IS POWERLESS TO QUIT
phonemes: ðɪs bˌiːɪŋ sˈoʊ, ðə dˈɪstɹɪbjˌuːɾɪŋ ˈeɪdʒənsi mˈʌst biː kˌɔːɹɪspˈɑːndɪŋli kˈɑːmən. ɪɾ ɪz ˈɛvɪdənt ðætðɪ ˈɛmbɹɪˌoʊ kænˈɑːt ɛskˈeɪp ˌɪntʊ ðɪ ˈaʊɾɚ wˈɜːld spɑːntˈeɪniəsli, ɔːɹ baɪ ˌɛni ˈɛfɚt ʌv ɪts ˈoʊn ; fɔːɹ, ɪf juː ɹᵻɡˈɑːɹd ɪɾ ɐtˈɛntɪvli ˌʌndɚɹ ɐ hˈaɪ pˈaʊɚɹ ʌvðə mˈaɪkɹəskˌoʊp, juː wɪl fˈaɪnd ðˌɐɾɪt ɪz ɛŋklˈoʊzd ɪn ɐ lˈɔŋ lˈuːs sˈæk ɪnwˌɪtʃ ɪt kæn mˈuːv bˈækwɚdz ænd fˈɔːɹwɚdz, bˌʌt wˌɪtʃ ɪɾ ɪz pˈaʊɚləs tə kwˈɪt.