( 7 ) 



Of the MARROW. 



32. Its nature and ufe* 



Increafe of its fenfibility in difeafe* 



33. Of the pori medullares. 

 Remarks on the curious diftribu- 



tion of thefe pores* 



34. Difeafes of the bones. 



35. General effe6ts of the Lues Vene~ 

 rea upon them. 



Exhibition of the different appear-* 

 ances produced in them by this 

 difeafe. 



36. Remarks concerning the treatment 

 of fimple and compound fra&ures. 

 Callus how formed, &c. 



37. Ufe of the bones in general. 



Of CARTILAGES. 



38. Their fituation and manifold ufes. 



39. Difference of their ftru6lure. 



40. Are clafled under three general 

 heads, 



41. Of 



