14. DRAWINGS OF THE LEAVES OF THE COMMON QUINQUEFOLIATE VIRGINIAN CREEPER, OF THE ADHERENT “AMPELOPSIS VEITCHII,” AND OF THE POISON-VINE (_RHUS TOXICODENDRON_) 95 15. DRAWING FROM LIFE OF THE DESERT SCORPION (_BUTHUS AUSTRALIS_, LIN.), FROM BISKRA, NORTH AFRICA 109 15 _BIS_. HIGHLY MAGNIFIED DRAWING OF A STINGING HAIR OF THE COMMON NETTLE 113 16. THE HERALDIC DRAGON 115 17. THE HERALDIC GRIFFIN 116 18. HERCULES DESTROYING THE HYDRA 116 19. THE HERALDIC WYVERN 117 20. THE HERALDIC BASILISK, ALSO CALLED THE AMPHYSIAN COCKATRICE 117 21. THE CHINESE IMPERIAL DRAGON 121 22. A FLYING SNAKE WITH TWO PAIRS OF WINGS 121 23. THE “DRAGON” GUARDING THE TREE IN THE GARDEN OF THE HESPERIDES 122 24. A VOTIVE TABLET 124 25. ANCIENT ROMAN PAINTING OF A SO-CALLED MARINE SERPENT 124 26. EGYPTIAN FOUR-WINGED SERPENT 125 27. TWO-WINGED SERPENT 125 28. AN OYSTER WITH THE RIGHT-SIDE SHELL REMOVED 130 29. PART OF A ROW OF THE LASHING HAIRS OR “CILIA” WHICH COVER THE GILLS OF THE OYSTER 131 30. THE ANIMAL OF AN OYSTER REMOVED FROM THE SHELL 132 31. THE EGGS OF THE OYSTER 133 32. THE SPERMS OR SPERMATOZOA OF A RIPE OYSTER 134 33. DEVELOPMENT OF THE EGG OF THE COMMON OYSTER 135 34. FREE-SWIMMING YOUNG OYSTER OR OYSTER LARVA 136 35. YOUNG OF THE POND-MUSSEL AFTER ESCAPING FROM THE MATERNAL GILL-POUCH 145 36. SIMPLE “CELLS,” CONSISTING OF NAKED PROTOPLASM, CHANGING SHAPE AND TAKING IN SOLID FOOD PARTICLES 171 37. CELLS FORMING TISSUES 172 38. COPY OF PART OF ROBERT HOOK’S DRAWING OF A MAGNIFIED PIECE OF CORK 173 39. A PIECE OF CARTILAGE 174 40. THREE KINDS OF CELLS 175 41. TWO SPECIMENS OF A BELL-ANIMALCULE (_VORTICELLA_) 196 42. SIX SUCCESSIVE STAGES IN THE DIVISION OF A “CELL” 201 43. STAGES IN THE GROWTH FROM THE EGG OF THE COMMON FROG 210 44. OUTLINE DRAWINGS OF THREE EUROPEAN TADPOLES 217 45. THE COMET SHOWN IN THE BAYEUX TAPESTRY 232