360 PROFESSOR FORBES ON THE CLIMATE OF EDINBURGH. 
sought them out—namely, to supplement the deficient years of Mr Apir’s series, 
I availed myself of the ten years 1821-30, which were common to both series, 
and by finding the differences of the wncorrected Dunfermline temperatures from 
those of Edinburgh, I used them to deduce for Edinburgh the temperatures of the 
years 1805-20. This I have more fully explained in my paper on the Climate of 
Edinburgh. 

