CONTENTS. 



xvn 



CHAPTER XIV. 



THE CAT S HEXICOLOGY. 



SECT. PAGE 



1. The various relations of living 



creatures to their environment 494 



2. The Felidae and physical condi- 



tions, such as warmth, light, 



and moisture . . . . 494 



3. The geography of the Felidae . 495 



4. Zoological geographical regions . 497 



5. The relations of the Felidae to 



time . 501 



SECT. 



6. Certain elementary facts of 



geology 



7. The palaeontology of the Felicias . 



8. Non-feline mammalian remains 



contemporary with or antece- 

 dent to fossil cats 



9. The inter-relations between cats 



and other living creatures 

 10. The parasites of cats 



PAGE 



501 

 502 



503 



508 

 509 



CHAPTER XV. 



THE PEDIGREE AND ORIGIN OF THE CAT. 



SECT 

 1. 



2. 

 3. 



4. 

 5. 



9. 

 10. 



Meaning of the Cat's 'pedigree ' 

 and 'origin' . . . 512 



No present need to argue in 

 favour of evolution . . 512 



Probability of the Cat's descent 

 through viverrine ancestors . 512 



The probable genetic relations 

 or phylogeny of the JEluroidea 513 



The probable phylogeny of the 



Carnivora . . . .514 



Primitive mammals probably not 

 marsupial . . . . 515 



Summary of the Cat's pedigree . 517 



Premammalian ancestors un- 

 known .... 518 



Different possible modes of evolu- 

 tion 519 



What are 'species,' 'genera,' 

 ' families, ' ' orders, ' and 

 ' classes ' ? . . .520 



SECT. PAGE 



11. We have experience of the origin 



of all of these. . . . 521 



12. What our experience should 



lead us to expect as to the 

 origin of Cat species . . 522 



13. We seem to have experience as to 



the origin of life itself . . 524 



14. Our experience as to modes 



of origin .... 524 



15. Necessity of the idea of an in- 



ternal force . . . . 525 



16. Psychogenesis . . . .526 



17. The cause of Psychogenesis . . 526 



18. Prototypal ideas . . .528 



19. Science is a knowledge of causes, 



and a knowledge of all causes 



is necessary for perfect science 530 



20. Utility of the study of ' types ' . 530 



