  | FIG. | PAGE | | | | | Kentish Plover with Eggs and Young | Frontispiece | | 1. | Spiracles and Air-tubes of Cockroach | 3 | | 2. | Gills of Mussel | 4 | | 3. | A Cell greatly magnified | 11 | | 4. | Amoeba | 12 | | 5. | Egg-cell and Sperm-cell | 13 | | 6. | Diagram of Circulation | 23 | | 7. | Protozoa | 38 | | 8. | Hydra Virides | 43 | | 9. | Aurelia: Life-cycle | 45 | | 10. | Liver-Fluke—Embryonic Stages | 47 | | 11. | Diagram of Development | 51 | | 12. | Wing of Bat (Pipistrelle) | 64 | | 13. | Variations of the Noctule | 67 | | 14. | Variations of the Long-eared Bat | 68 | | 15. | Variations of the Pipistrelle | 69 | | 16. | Variations of the Whiskered Bat | 70 | | 17. | Variations adjusted to the Standard of the Noctule | 73 | | 18. | Caterpillar of a Moth on an Oak Spray | 85 | | 19. | Locust resembling a Leaf | 86 | | 20. | Mimicry of Bees by Flies | 91 | | 21. | Egg and Hen | 141 | | 22. | Stag-Beetles | 180 | | 23. | Tactile Corpuscules | 247 | | 24. | Touch-hair of Insect | 248 | | 25. | Taste-buds of Rabbit | 250 | | 26. | Antennule of Crayfish | 259 | | 27. | Diagram of Ear | 263 | | 28. | Tail of Mysis | 266 | | 29. | Leg of Grasshopper | 266 | | 30. | Diagram of Semicircular Canals | 270 | | 31. | The Human Eye | 274 | | 32. | Retina of the Eye | 274 | | 33. | Variation in the Limits of Colour-vision | 281 | | 34. | Pineal Eye | 288 | | 35. | Skull of Melanerpeton | 288 | | 36. | Eyes and Eyelets of Bee | 289 | | 37. | Eye of Fly | 290 | | 38. | Diagram of Mosaic Vision | 291 | | 39. | Direction-retina | 295 | | 40. | Antennary Structures of Hymenoptera | 297 |
ANIMAL LIFE AND INTELLIGENCE.
|
  |
