d 6 o Mijcellan to, Curio fa . 



3fy 



Example III. 

 Let z, = 3- , becaufe in this Cafe » b= 2, 



r- 4, therefore fhall the Area ABD 



a} 1 3 a* 



— 1 1»» + v V 2<g^» X -1 - 5 + f - 



274 18 3 



While I was writing this, I receiv'd the 

 late Months of the Lipfick, Ads, rn which I 

 read, with a deal of pleafure, feveral excel- 

 lent things for promoting Geometry } and 

 among them fome Remarks of Mr. Leibnitz, 

 and Mr. J. Bernmitti r upon my Method of 

 Quadratures. In the Acts of April, An. 1595. 

 Mr. Leibnitz, informs us that he has a Me- 

 thod fomewhat like ours^ and truly, I migh- 

 tily Congratulate my felf, that any thing of 

 mine could have the leaft likenefs to the 

 Thoughts of fo great a Geometer. But 

 whereas he lays his own is much more Ge- 

 neral, and Ihorter than mine ^ I make no 

 doubt of that. It were to be wifh'd, he 



would 



