hiː spˈɛnt ɐbˌaʊt tˈuː jˈɪɹz ɪnðə juːnˈaɪɾᵻd stˈeɪts ænd ɐmˈæst ɐ sɪɡnˈɪfɪkənt kəlˈɛkʃən ʌv ˈɪnsɛkts, mˈʌtʃ ʌvwˈɪtʃ hiː ʃˈɪpt tə ðə bɹˈɪɾɪʃ mjuːzˈiəm ænd ˈʌðɚ saɪəntˈɪfɪk ˌɪnstɪtˈuːʃənz ɪn ˈɪŋɡlənd.
He spent about two years in the United States and amassed a significant collection of insects, much of which he shipped to the British Museum and other scientific institutions in England.