Drawing of 5 crabs (2 x 2 cm., 2 x 3 cm., 2 x 3 cm., 2 x 3 cm., 3 x 4 cm.)Repository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.2 (26)
1 crab : 9 x 14 cm. ; elliptical blind embossing, AGASSIZRepository: Ernst Mayr Library, Museum of Comparative Zoology, Harvard UniversityCall number: bAg 168.60.2 (10)