1 drawing (5 x 9 cm.) of a Tetra (Tetragonopterus sp.) created 25 Jun 1865 by Jacques Burkhardt at Fazenda Sant'Anna, Brazil.Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: ARC 209-022
3 fish drawings (7 x 11 cm., 7 x 10 cm., 7 x 10 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: ARC 209-268
1 drawing (7 x 17 cm.) of a Leporinus (Leporinus sp.) created by Jacques Burkhardt.Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: ARC 209-024