Brazilian marmosets. Page from a 17th-century book with illustrations of two marmosets from Brazil. They are referred to in the text as 'Cagui' or 'Pongi', with the larger ('major') one at upper left and the smaller ('minor') one at bottom. Marmosets (22 known species) are small monkeys from South America. They include the common marmoset or sanglin (Callithrix jacchus). Artwork from 'De medicina Brasiliensi libri quatuor' (Four books of Brazilian medicine, 1648) by Dutch physician and naturalist Willem Piso (1611-1678).
Model release not required. Property release not required.