424 /Ibsiract q/' Meteorological Observations in Brazil. 

 Table III. — Mean temperatiue of each of nine hours. 



These observations give 66'^-095 as the mean temperature 

 of the year 1847t; :i'iti 9459 observations give 66°-4 11 as the 

 average of the years 1845, 1846 and 1847. 



Table IV. — Comparative temperature in shade and in open 



sunshine. 



Date. Shade. Sunshine. Remarks. 



Light breeze N.W. 



Light breeze E. 



Brisk breeze E. 



Brisk breeze E. 



Brisk breeze E. 

 Light breeze E. 



Light breeze E. 

 Brisk breeze N.W. 

 Brisk breeze N.W. 

 Brisk breeze W. 



Light breeze E. 

 Brisk breeze S.E. 

 Light breeze W. 

 Light breeze W. 

 Light breeze S.W. 

 Brisk breeze E. 

 Light breeze S.W. 

 Brisk breeze E. 

 Brisk breeze N. 

 Brisk breeze N. 

 Gale N. 

 Brisk breeze E. 

 Very light breeze E. 

 Light breeze E. 

 Light breeze S.W. 

 Brisk breeze S.W. 



* The observations at 8 p.m. are not eniploj eil in calculating the monthly 

 and annual means. 



I In my observations for 184.5 (Phil. Maj;., xxviii.p. ."^GG), I have made a 

 correction of :2°'3, and deduced a mean temperature of 6")° 14 for the year 

 ] 8-1.5. The reduction should have been l°-3, and the mean of the year 

 66°14. 



