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  1. Jurassic dinosaurs
  2. Arrow Schematic I
  3. Human ear anatomy
  4. Bright Egret Sketch I
  5. Texas jackrabbit, a subspecies of the black-tailed jackrabbit, or California hare
  6. Audubon: Ibis
  7. Pool Hall Antics III
  8. Endangered animals, conceptual image
  9. High Plains II
  10. Piranesi View of Rome V
  11. Genetic code
  12. Dragon tail fractal
  13. Flying Fox I
  14. Pheasant Varieties VII
  15. Bronchial tree and lungs, artwork
  16. View from West Point
  17. 1951 space shuttle design
  18. Piping Plover
  19. Mars map from 1881
  20. Pool Hall Antics V
  21. Tropical Botany Chart II
  22. The Fairy Spell
  23. Crocodile Sketch
  24. Skateboard Elephant
  25. Cheshire Cat, 1865, Alice's Adventures in Wonderland
  26. Newspaper printing press
  27. Black & White Barn Study I
  28. Synapses, artwork
  29. Black & White Barn Study II
  30. Artwork of the pterosaur, Pteranodon sp
  31. Swallow-tailed Kite
  32. High Plains I
  33. Mountain Sketch I
  34. Nicolaus Copernicus, Polish astronomer
  35. Robin, from The Farnley Book of Birds, c.1816
  36. Artwork showing Chicxulub impact crater, Yucatan
  37. Illustrations Magazine Plate
  38. Messerschmitt ME109 blueprint
  39. Boho Animal Indians
  40. Hopeful Spring
  41. Illustration showing the various parts that make up the sun
  42. Mallard Duck
  43. Egyptian and Assyrian counting systems
  44. Sea Serpents
  45. Small-Mouthed Black Bass
  46. Country House Sketch
  47. Artichokes, 2005
  48. 1832 Darwin's ship HMS Beagle plan