( ) 
iri Tome 1 found the Proportion to be greater, in o- 
thers lefs, but in the main it is nearly the fame. 
I am, &c. ' , 
' r ' Thomas Nettleton, 
i: ' ' : ' " 
T * • 
. ' flalffax ^ ’ • ■ v i ; , ^ : 
June i6. 1722. * ' • 
■ » 
F I K I S. 
LO M D 0 I Printed for and jF. Irmp, Printers 
to the Ropl Society, at the Prince s Arms in St. Paul's 
Church Tar lyxx* 
