Drawing of bottom view of turtle (13 x 17 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (4)d
D. Johann David Schpfs knigl. Preuss. hofraths ... Naturgeschichte der Schildkrten :.Erlangen :Bey Johann Jakob Palm,1792[-1801].biodiversitylibrary.org/page/38925623Turtles 1 of the oldest reptile groups, going back 215MM yrs. See stunning image of Indian flapshell turtle in #bhlib biodiversitylibrary.org/page/38925623
Drawing of 2 anatomical cross sections of turtle (5 x 4 cm., 6 x 4 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (11)c
Drawing of turtle (rear and front views) (3 x 14 cm., 3 x 15 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.10 (11)g