Beagle now sailed to southern Patagonia, and on 19 April an expedition including FitzRoy and Darwin set off to take boats as far as possible up the Santa Cruz river, with all involved taking turn in teams dragging the boats upstream.
O Beagle navegou agora polo sur da Patagonia, e o 19 de abril unha expedición da que formaban parte FitzRoy e Darwin partiu a bordo de botes subindo tan lonxe como fose posible polo río Santa Cruz, e todos os participante fixeron quendas por equipos para arrastrar os botes río arriba.