This letter to his mother Jane from the linen merchant John McCaldin Loewenthal was written on board the SS Seguranca heading north from Recife, Pernambuco, along the coast of Brazil toward Belém, Pará. It was mailed on13th March 1893. A transcript is available at https://loewenthal.pressbooks.com/chapter/pernambuco_13-march1893/