On 3 June 1819, they arrived in Maranhão to replenish funds and supplies. They then sailed down the Rio Itapicuru to São Luis from where they left on 20 July for Belém, arriving there on 25 July, having collected specimens at several places in between. They left Belém on 21 August for an Amazon voyage, up the Tocantins to Breves, arriving in Gurupá on 9 September and Porto de Moz on the Rio Xingu on 10 September. They spent 19 September through 30th in Santarém, arriving at Barra do Rio Negro on 22 October and leaving on 2 November. They reached Tefé, then called Ega, on 26 November, then split up.