5. For the security of the purchaser of a horse, not connected with the turf, the teeth are a sufficient guard, &c. 10 6. The description of the teeth &c. 14 7. The teeth are situated &c. 15 8. The teeth are organised, &c. 16 9. The horse possesses forty teeth, &c. 16 10. Three substances enter into the composition of the horse's tooth. 18 11. The crusta petrosa &c. 18 12. The enamel &c. 20 13. The ivory &c. 20 14. The uses of the ivory, enamel, and crusta petrosa &c. 22 15. The separate uses of the three component structures, &c. 24 16. The various parts and peculiarities of form, &c. 32 17. There are infundibula also in the molar teeth, &c. 35 18. To distinguish an upper from a lower molar tooth &c. 36 19. The teeth of the horse are very firmly implanted in the jaws, &c. 37 20. The molars of the lower jaw are the active agents of mastication, &c. 37 21. Provision has been made by Nature to meet the wear to which the horse's teeth are subjected. 38 22. The cavity of the pulp &c. 42 23. Nature provides the horse with two sets of teeth. 43 24. To know the temporary from the permanent teeth, &c. 46 25. To recognise a milk incisor tooth &c. 46 26. The permanent incisors are indicated by their greater size, &c. 49 27. The temporary cannot be well distinguished from the permanent molars, while the horse is alive. 51 28. The various points which denote youth &c. 52 29. The indications of age &c. 53 30. The incisor teeth in old age, &c. 54 31. Some judges depend upon the tushes as indicative of the age, &c. 57 32. The wolf's teeth or eye teeth aid us in judging of the age; &c. 59 33. The mode in which the horse cuts his teeth &c. 60 34. The manner of examining the teeth &c. 65 35. At birth &c. 69