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  1. Short-billed Dowitcher, or Red-breasted Snipe
  2. Early video phone system, 1930
  3. Carboniferous landscape
  4. Viral throat infection, artwork
  5. Killdeer
  6. Carrigogunnell Castle, Near Limerick, County Limerick, Ireland
  7. Durer's world map, 1515
  8. Chinese armada, artwork
  9. Vintage Golden Gate
  10. Walleye on Map
  11. Armillary sphere, 18th Century artwork
  12. Construction of the DH.98 Mosquito fighter-bomber of World War II
  13. Hudsonian Godwit
  14. Colman Cow Portrait Study II
  15. Explorer 1
  16. Peregrine Falcon
  17. Underwater earthquake and tsunami
  18. Moyne Abbey, County Mayo, Ireland, from 'Scenery and Antiquities of Ireland'
  19. Blueprints on white background
  20. Great Mountain II
  21. Palenque, Mexico. Temple of the Inscriptions
  22. Peter Pan Statue, Kirriemuir, Scotland, 2007
  23. Harlequin Duck
  24. The Gap of Dunloe, County Killarney, Ireland
  25. Scientific Deer Sketch I
  26. The Departure Of Marcus Attilius Regulus For Carthage
  27. Langley's sunspot observation, 1873
  28. Les Grands Prix D'Architecture I
  29. Picasso Triggerfish
  30. A Pair Of Carnotaurus Dinosaurs Chasing A Group Of Gasparinisaura
  31. Crafty Fox I
  32. Velvet Duck
  33. Sepia Grazing Cow Sketch I
  34. Feminine Sandals
  35. Rainbow optics, historical artwork
  36. Eider Duck
  37. A Group Of Argentinosaurus Dinosaurs With Ornithocheirus Flying Overhead
  38. d'Orbigny Seabird I
  39. Pl 338 Bemaculated Duck
  40. An Allosaurus Stalking A Herd Of Camarasaurus Dinosaurs Grazing At The Water's Edge
  41. TEEN Flower Power
  42. Guillaume Lemonnier1717-1799
  43. Feminine Shoes
  44. Stem cell research
  45. Early escalator, 1894
  46. Denali National Park and Preserve, Adventure: Retro Travel Poster
  47. Hoary marmot, or whistler
  48. A Herd Of Centrosaurus Dinosaurs