- Wing of a Bird, Showing the Arrangement of the Feathers
- Volvox
- The Skull and Brain-Case of Pithecanthropus
- The Flipper of a Whale compared to the hand of man
- Surinam Toad (Pipa Americana) with Young Ones Hatching out of Little Pockets on her Back
- Skeletons of the Gibbon, Orang, Chimpanzee, Gorilla, Man
- Proterospongia
- Nautilus
- Fore-limb of Monkey compared to fore-limb of Whale
- Early Life-History of the Salmon
- Diagram of amœba
- An Eight-Armed Cuttlefish or Octopus Attacking a Small Crab