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  1. Avian Study IV
  2. Engraving of a nautilus and an ammonite
  3. Lung bronchioles
  4. Bare-knuckle Boxers
  5. Basilica Dome
  6. Carboniferous landscape
  7. Salt dissolution, artwork
  8. Love Birds
  9. Clouds forming the shape of Earth's continents
  10. Viral throat infection, artwork
  11. Grey phalarope, historical artwork
  12. Lungs
  13. Kumquat, 1996
  14. French Phrases I
  15. Sierre to Zinal Mountain Race, The Finish 2012
  16. Artwork of Caudipteryx sp., a bird-like dinosaur
  17. Hannibal (247-c.183 BC) crosses the Alps
  18. Breed Studies VI
  19. Carrigogunnell Castle, Near Limerick, County Limerick, Ireland
  20. Medical zodiac, 15th century diagram
  21. Platelet, artwork
  22. Knorr Shells VII
  23. Killdeer
  24. Foot bones and ligaments
  25. Brooklyn Window #12
  26. Shades of Coral IV
  27. 19th Century internal combustion engine
  28. Artwork of Mars Polar Lander descending onto Mars
  29. Breed Studies XII
  30. Iris Sketch O'keefe Crop I
  31. Construction of the Pyramids
  32. Doodle Fish
  33. Playful Polar Bear, illustration from 'Nature's Wonderland', 1970
  34. Nerve cell, artwork
  35. Daybreak
  36. Composite image of the phases of the Moon
  37. Rhodopsin protein molecule
  38. Ichthyosaur and prey
  39. Durer's world map, 1515
  40. Hummingbird Delight IV
  41. Chinese armada, artwork
  42. Shining Sea - Contemporary Painting
  43. Simple Songbird Sketches I
  44. TEEN Flutter of Love
  45. Elizabethan England, from 'The Art of Perfume', 1912
  46. School Bus
  47. One Line London
  48. Entomology Series IV