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  1. Subway Sphinxes, 2013
  2. Fluid Beauty IV
  3. Engraving of a nautilus and an ammonite
  4. British Birds and Eggs IV
  5. British Birds and Eggs II
  6. Avian Study IV
  7. Basilica Dome
  8. Salt dissolution, artwork
  9. Love Birds
  10. Carboniferous landscape
  11. Nativity
  12. Bare-knuckle Boxers
  13. Lung bronchioles
  14. Multicoloured Meadow
  15. Kumquat, 1996
  16. Lungs
  17. Clouds forming the shape of Earth's continents
  18. Grey phalarope, historical artwork
  19. Medical zodiac, 15th century diagram
  20. Hannibal (247-c.183 BC) crosses the Alps
  21. Artwork of Caudipteryx sp., a bird-like dinosaur
  22. Viral throat infection, artwork
  23. Breed Studies VI
  24. French Phrases I
  25. Sierre to Zinal Mountain Race, The Finish 2012
  26. Carrigogunnell Castle, Near Limerick, County Limerick, Ireland
  27. Platelet, artwork
  28. Knorr Shells VII
  29. Foot bones and ligaments
  30. The tea clipper Cutty Sark
  31. Killdeer
  32. Brooklyn Window #12
  33. Breed Studies XII
  34. Artwork of Mars Polar Lander descending onto Mars
  35. Shades of Coral IV
  36. Iris Sketch O'keefe Crop I
  37. Construction of the Pyramids
  38. Doodle Fish
  39. 19th Century internal combustion engine
  40. Playful Polar Bear, illustration from 'Nature's Wonderland', 1970
  41. Rhodopsin protein molecule
  42. Durer's world map, 1515
  43. Daybreak
  44. Ichthyosaur and prey
  45. Nerve cell, artwork
  46. Composite image of the phases of the Moon
  47. Hummingbird Delight IV
  48. Chinese armada, artwork