This expedition allowed him to collect the Irrawaddy dolphin, Orcaella brevirostris and compared with Orcaella fluminalis and the Gangetic dolphin, Plantanista gangetica.
Esta expedición permitiulle recoller espécimes do golfiño Irrawaddy, Orcaella brevirostris que comparou con Orcaella fluminalis e co golfiño do Ganxes, Plantanista gangetica.