When his ship Union foundered near the coast of Connecticut, he lost all his books (50 boxes) and all his specimens (including more than 60,000 shells).
Hänen laivansa Union upposi Connecticutin rannikolla ja hän menetti kaikki kirjansa (50 laatikollista) ja kokoelmansa, muun muassa yli 60 000 simpukan- ja kotilonkuorta.