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
1 drawing (5 x 10 cm.) of a Butterfly-fish or Tetra (Tetragonopterus sp.) created 19 May 1865 by Jacques Burkhardt at Barra do Pirahy, Brazil.Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: ARC 209-020
Drawing of 1 fish and 2 anatomical cross sections (6 x 11 cm., 3 x 3 cm., 2 x 2 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: ARC 209-443
