The Contents. 



portions. 49^ 50. Fibres of the //- 

 gnom Body therein. 50. The Vith 

 of thofe Fiirej 51. 



How the K^^^grows^and the ufe 

 of the Sinn^ Cortical and lignous 

 Body thereto. 51. 54- How it 

 grov/eth in length. 55. By what 

 means it defcendb. 565 57. How 

 it grows in breadth. 5 8. And the 

 Vith how thus framed. 59. The 

 ufeof the Vith. 60, 61. Of the 

 Infertment. 6I5 62. The joint fer- 

 ¥iceof all theParts. 63p 65, 



