Contents 



XV 



The universe as eject 



Metakinetic cnvironmoiit of mind 



Conceptual ideas not subject to natural selection 



Elimination through incongruity 



Interneural evolution 



Interpretations of nature 



Can fetishism have had a natural genesis ? 



Tho origin of interneural variations . . 



Are acquired variations inherited ? 



Summary and conclusion 



LIST OF ILLUSTRATIONS. 



Kentish Plover with Eggs and Young Frontispiece 



1. Spiracles and Air-tubes of Cockroach .. .. .. 3 



2. Gills op Mussel . . . . . . . . . . 4 



3. A Cell greatly magnified . . . . . . . . 11 



4. Amceba . . . . . . . . . . . . 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. Liyer-Flukb— Embryonic Stages . . . . . . 47 



11. Diagram of Development . . . . . . . . . . 51 



12. Wing of Bat (Pipistrelle) . . . . . . . . 64 



13. Variations of the Noctule .. .. .. ..67 



14. „ „ Long-eared Bat . . . . . . G8 



15. „ „ Pipistrelle . . . . . . . . 69 



16. „ „ 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 Leap . . . . . . . . 86 



20. Mimicry op Bees by Flies . . . . . . . . 91 



21. Egg AND Hen .. .. .. .. .. .. 141 



22. Stag-Beetles .. .. .. .. .. .. 180 



23. Tactile Corpuscules . . . . . . . , . . 247 



24. Touch-hair of Insect . . . . . . . . . . 248 



