CONTENTS. 



Introduction 



-Ixxiv. 



PART I. 



DENTAL SYSTEM OF FISHES. 



CHAPTER I. 



GENERAL OBSERVATIONS ON THE TEETH OF 

 FISHES. 



Section 1 . General characteristics 



„ 2. Number . 



„ 3. Form 



,, 4. Situatiou . 



,, 5. Attaclameut 



„ 6. Substance , 



„ 7. Chemical Composition 



,, 8. Structure . . 



,, 9. Development 



CHAPTER n. 



TEETH OF CYCLOSTOMES. 



Stctio/i 10. Myxines . 

 „ 11. Lampreys 



CHAPTER III. 



TEETH OF PLAGIOSTOMES. 



Section 12. General characters . 

 ,, 13. Squaloids. 

 „ 1-i. Piistis . 



Page 

 1 



iL 

 2 

 4 

 6 

 8 

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 10 

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20 



Section 15. Squatina 



„ 16. Raiidse 



„ 17. Myliobates 



„ 18. Cestracionts 



„ 19. Acrodus . 



„ 20. Hybodus. 



„ 21. Ptychodus 



,, 22. Psammodus 



„ 23. Petalodus. 



„ 24. Cochliodus 



,, 25. Chimaeroids 



„ 26. Spatulariee 



CHAPTER IV. 



TEETH OF GANOID FISHES. 



21 ' Section 27. Lepidoids 



I ,, 28. Pycnodonts 



I ,, 29. Sauroids . 



„ 30. Gymnodonts 



23 ,, 31. Scleroderms 



26 ,, 32. Goniodouts 



40 „ 33. Siluroids 



43 

 ib. 

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68 

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