Upper and lower jaws of an Hippopotamus amphibius (Hippopotamus)

Hippopotamus amphibius capensis (Hippopotamus)

Robert Jacob Gordon

Hippopotamus amphibius capensis (Hippopotamus)

Robert Jacob Gordon

Hippopotamus amphibius capensis (Hippopotamus)

Robert Jacob Gordon

Hydnora africana Thunb., details (Jackal-food plant)

Robert Jacob Gordon

Hippopotamus amphibius capensis (Hippopotamus)

Robert Jacob Gordon

Three Studies of Écorchés

Paulus Pontius, After Peter Paul Rubens

Giraffa camelopardalis (Giraffe)

Robert Jacob Gordon

Studie van het rugschild van een schildpad

Unknown Artist

Giraffa camelopardalis (Giraffe),skeleton

Robert Jacob Gordon

Studie van het rugschild van een schildpad

Unknown Artist

Study sheet with razor shells (Ensis arcuatus), stone-borers (Zirfaea Crispata), and white mussels (Barnea Candida)

anonymous

Giraffa camelopardalis (Giraffe), skeleton

Robert Jacob Gordon