| Number. | Page. | | Leaf-Butterfly | 1 | 19 | | Somali Tsetse-Fly | 2 | 20 | | Common Gnat | 3 | 22 | | Spot-Winged Mosquito | 4 | 22 | | Malaria Parasite | 5 | 23 | | Trypanosoma gambiense | 6 | 24 | | African Elephant | 7 | 25 | | Skeleton of a Flying-Fox | 8 | 27 | | Skull of the Giant Tuatera | 9 | 32 | | Skeleton of the Great Blue Shark | 10 | 33 | | Flying Fish | 11 | 35 | | Flying Gurnard | 12 | 35 | | Jaw of Port Jackson Shark | 13 | 36 | | Female Okapi | 14 | 41 | | Great Auk | 15 | 43 | | Egg of the Great Auk | 16 | 45 | | Venus’ Flower-Basket | 17 | 49 | | Brain-Coral | 18 | 50 | | Rough Sunfish | 19 | 51 | | Gastrostomus bairdi | 20 | 52 | | Saccopharynx flagellum | 21 | 52 | | Sucker-Fish | 22 | 52 | | Lower View of Head of Saw-Fish | 23 | 53 | | Basking Shark | 24 | 54 | | Coconut Crab | 25 | 55 | | Saddle-Backed Tortoise | 26 | 57 | | Horned Frog | 27 | 58 | | Sea-Lily | 28 | 59 | | Whelk | 29 | 61 | | Left Valve of Giant Clam | 30 | 62 | | Pearly Nautilus | 31 | 62 | | Sperm-Whale | 32 | 65 | | Platypus or Duck-Bill | 33 | 67 | | Yellow-Bellied Pangolin | 34 | 68 | | Prongbuck or Pronghorn Antelope | 35 | 69 | | Heads of Rhinoceroses | 36 | 70 | | Northern Fur-Seal | 37 | 71 | | Elephant-Seal | 38 | 7
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