LIST OF PLATES. 



Fig. Page 



1. Volvox 5 



2. Microscopic Occupants of a Leaf of Duck- 



weed 7 



3. Vegetable Forms of Microscopic Or- 



ganisms 9 



4. Amoeba n 



5. Rhizopods 12 



6. Noctiluca miliaris 13 



7. Sponges 1 6 



8. Framework of Sponge 17 



9. Flint Crystals of Sponge 



10. Sponge in action 



11. Halichondria oculata 



12. Paramecium, &c. 



13. Swan-neck and its Divisions 



14. Coleps and Chilomonns 



15. Vorticellse 



16. Vaginicola 23 



17. Long-armed Hydra 25 



18. Hydra vividis 26 



19. Coryne 27 



20. Tubularia indivisi 28 



21. Sertularia operculata 29 



22. Laomedea 29 



23. Jelly-Fish 30 



24. Sarsia 31 



25. Thaumantias 32 



26. Velella 32 



27. Cydippe 33 



28. Food of the Whale 34 



29. Physalia 35 



30. Turns and its Young 



31. Madrepores 



32. Alcyon 



33. Polypes of Alcyon 



34. Madrepore 



35. Cell of Madrepore 



36. Red Coral 



37. Isis 



38. Sea-Fan and Sea-Pen 43 



39. Organ-pipe Coral 44 



40. Actinia 45 



41. Animal Flowers 46 



42. Fungia 48 



43. Fossil Lily-stones 49 



44. Echinodermata 50 



Fig. 



48. Sucker of Urchin 



49. Spine of Echinus, segment of section 



50. Holothuriae 



51. Hermit Sipunculus 



52. Cysticercus 



53. Leech 



54. Divisions of a Beetle 



55. Scorpion and Centipede 



56. Common Crab 



57. Nerves of Leech and Cockchafer . . 



58. FootofNais 



59. Throat of Leech laid open 



60. Tooth of Leech magnified 



61. Cocoons of Leech 



62. Pushing-poles of Serpula 



63. Sand-Worm 



Page 

 53 



-. 54 

 55 



45. Brittle-star 



46. Sun-star (solaster papposa) 



47. Green-pea Urchin 



68 



69 



64. Sea-Mouse 71 



65. Serpula 71 



66. Terebdlla medusa 72 



67. Julus 74 



68. Hind Leg of Bee 78 



69. Wing of Dragon- Fly 78 



70. Parts of the Mouth of an Insect 79 



71. Mouth of a Beetle 80 



72. Various Antennas 80 



73. Eyes of Bee 82 



74. Compound Eye of a Dragon- Fly ... 82 



75. Spiracles of Insects 83 



76. Air-pipe of Fly 83 



77. Metamorphoses of Butterfly 85 



78. Larva of Tiger-Beetle 89 



79. Water-Beetle 90 



80. Larva of Dyticus 91 



81. Death-watch Beetle 93 



82. Cockchafer and Larva 95 



83. Goliath Beetle and Hercules Beetle ... 95 



84. Blister Beetle 97 



85. Copper-coloured Weevil 97 



86. Nut-Weevil 97 



87. The Stag-horned Prionus and Diamond 



Beetle 98 



88. Ladybird in its stages 99 



89. Earwig on the wing 101 



90. Mantis 101 



91. Locusts 103 



92. Mole-Cricket 103 



93. Dragon-Fly 104 



94. Pupa of Dragon- Fly 105 



95. Larva of Ephemeron and section of its Cell 105 



