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  1. Vertebrates
  2. Invertebrates
  3. Ichthyosaurus and Pleisiosaurus, artwork
  4. Dinosaur Skeleton, 1921
  5. Giant Panda
  6. Paramecium protozoa, light micrograph
  7. Marsupials
  8. Human evolution, artwork
  9. Estimated Number Of Known Living Species
  10. British Birds and Eggs IV
  11. Engraving of a nautilus and an ammonite
  12. British Birds and Eggs II
  13. Ichthyosaur and prey
  14. Deinonychus
  15. Tyrannosaurus
  16. Woolly mammoths
  17. Fossil remains and skeletal reconstruction of Tianyulong confuciusi
  18. Stegosaurus
  19. Brain coral, artwork
  20. Compound Eye Of A Flower Fly
  21. Bee anatomy, artwork
  22. Insect microscopy, 19th century
  23. Triceratops
  24. Allosaurus
  25. Frogs and their Eggs
  26. Velociraptor
  27. Pachycephalosaurus
  28. Whale Study I
  29. Brachiosaurus
  30. Ceratosaurus
  31. Apatosaurus
  32. Fossils, 18th century artwork
  33. Euoplocephalus
  34. Body Plans of Extinct Reptiles
  35. Great Auk (Pinguinus impennis), engraving
  36. Lifecycle of a Frog
  37. X-ray of human and chimpanzee skulls
  38. Bass scale, light micrograph
  39. 1835 Maneless Indian Lion by Edward Lear
  40. Fish, X-ray
  41. Eel life-cycle, artwork
  42. Hunting sabre-toothed cat
  43. Coelophysis
  44. Compsognathus
  45. Ground beetle head, SEM
  46. Caudipteryx
  47. A Comparison of Meat-Eating and Plant-Eating Dinosaurs
  48. Artwork of a sabre-toothed cat (Smilodon sp.)