32 



PAPERS FROM THE DEPARTMENT OF MARINE BIOLOGY. 



Table 4. — Temperatures of the air over the reef and of the water on Line No. I across the 

 Southeastern reef of Ma'er Island, Great Barrier Reef, Sept. jo to Oct. 2j, igij — Con. 



Table 5. — Summary of temperature of air and ofu-aier observed at various times of the day and of 

 stages in tide over southeast reef of Ma'er Island, Great Barrier Reef, Sept. jo to Oct. 2J, 191 3. 



Distance out from shore. 



fiet. 



200 



400 



600 



800 



1,200 



1,600 



1,660 in the breakers at 



outer edge of reef. . . 



Temperature of water. 



Highest 



"C. 

 34-5 

 30 

 29 

 29 

 28.8 



28.4 



Lowest. 



°C. 



22 

 22.4 



23 

 23.1 



23 

 24.85 



24.9 



Range. 



12.5 

 7.6 

 6 



5-9 

 5.8 

 3-95 



3-5 



Temperature of air. 



Highest. 



°C. 



27.8 



27 



27 



26.4 



27.4 



27.2 



27.2 



Lowest. 



°C. 



25 

 24.7 



245 



25.2 



Range. 



2.3 



2.5 

 2 



24 

 1.6 



