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  1. Buenos Aires, Montevideo, and Vicinity - Vintage Map
  2. Coronary Artery Bypass
  3. Blue Whale (Balaenoptera Musculus)
  4. European Travel
  5. United States Fun Facts
  6. Black-Throated Blue Warbler (Dendroica Caerulescens) Illustration
  7. Austria-Hungary, Western Part - Vintage Map
  8. Axis Deer (Cervus Axis)
  9. The increase in hominid cranial capacity over time
  10. Global Circulation Patterns Diagram
  11. Diagram of spinal cord, vertebrae, and sympathetic trunk. nervous system
  12. Thresher Shark (Alopias Vulpinus)
  13. Layers Of The Ionosphere
  14. Sex-linked inheritance of white eyes in Drosophila flies
  15. Japan - Vintage Map
  16. Athens - Vintage Map
  17. Constantinople - Vintage Map
  18. Celsius Wind Chill Chart
  19. Comparing Saurischian and Ornithischian Pelvises
  20. Valley And Mountain Breezes
  21. Earth Interior - Crust, Mantle, and Core
  22. Illinois, Northern Part - Vintage Map
  23. Moorish Idol (Zanclus Cornutus)
  24. American Black Bear (Ursus Americanus)
  25. Hamburg - Vintage Map
  26. Male Firefly (Lampyridae)
  27. Green Darner Dragonfly (Anax Junius)
  28. Fahrenheit Wind Chill Chart
  29. Coho (Oncorhynchus Kisutch), Silver Salmon
  30. Sea Horse (Hippocampus Hudsonius)
  31. Abdominal organs in situ. abdominal cavity, digestive system
  32. Ayrshire Cow, Dairy Cattle
  33. Rising Air In An Unstable Atmosphere
  34. Illinois, Southern Part - Vintage Map
  35. Male Western Lowland Gorilla (Gorilla Gorilla Gorilla), Ape
  36. Straits of Mackinac - Vintage Map
  37. Vegetation Profile Of A Desert
  38. Perch (Perca Flavescens)
  39. Mountain Quail (Oreortyx Pictus) Illustration
  40. Ground Beetle (Carabidae)
  41. France, Northern Part - Vintage Map
  42. Tiger Shark (Galeocerdo Cuvieri)
  43. Rising Air Under Stable Conditions
  44. Spanish Mackerel (Scomberomorus Maculatus)
  45. Tentative phylogenetic scheme for hominid species
  46. Lungs in situ - anterior view. respiratory system
  47. Fun Facts about the U.S. Presidents
  48. Generalized Flower And Arrangement Of Floral Parts At The Flower's Base