Mifcellanea Curiofa. 24.9 



the Angle of thofe Planes to the 360 Degrees 

 of the Circle. As for Cones and Pyramids, they 

 are as the Spherical Surface, intercepted by them* 

 is to the Surface of the Sphere ; and therefore 

 Cones are as the verfed Sines of half their An- 

 gles, to the Diameter of the Circle : Thefe three 

 (brts of infinite Quantity are analogous to a Line, 

 Surface and Solid, and after the fame manner 

 cannot be compared, or have any proportion the 

 one to the other. 



Befides thefe, there are leveral other Species of 

 infinite Quantity, arifing from the Contemplation 

 of Curves, and their Alymptotcs ; which, by 

 reafon of the difficulty of the Subject, cannot 

 be made fo plain to moft Readers ; But what has 

 been already (aid, may be fufficient to evince 

 what we undertook to explain. 



An 



