THE TEMPERATURE OF THE FLORIDA CORAL-REEF TRACT. 



331 



TEMPERATURE RECORDS EOR MEANS OF TEN-DAY PERIODS. 



The readings for the following temperature records giving the means 

 for ten-day periods and the maximum and minimum for each period, were 

 made by the keepers at the lighthouses along the Florida reef tract. The 

 reductions were made at the U. S. Bureau of Fisheries under the direction 

 of Dr. H. F. Moore, who kindly supplied me a copy of the results. The 

 significance of the data is discussed on page 321. The position of the light- 

 houses is shown on figure 8, page 337. 



Temperature reductions to means 0} ten-day periods. 

 DRY TORTUGAS, FLORIDA. 



