116 



" 2nd. The elements of the spheroid most nearly representing the 

 surface of Great Britain are 



Feet 0. Miles. 



Equatorial seraidiameter = 20926249 = 3963-305 1 1 



Polar semidiameter =20856337 = 3950-064 J com P res 1 ~299 : 33' 



" 3rd. The elements of the spheroid most nearly representing the 

 whole of the measured arcs considered in this paper are 



Feet 0. Miles. 



Equatorial semidiameter = 20924969 = 3963-064 \ 1 



Polar semidiameter =20854743=3949-760 ; com P res 1 ~297-96* 



" 4th. The lengths of the degrees of latitude and longitude in 

 Great Britain are as in the following table : 



The Society adjourned to Thursday, May 22nd. 



