The Voyage of H.M.SXhallenger" 



Atmospheric Circulation. PI, I 



Curves showing Deviations at Different Hours of the Day, from the 

 Mean Daily Temperature and Pressure. 



Temp, of Bea, 

 Surface. 



Temp, of Air 

 over Sea. 



Elastio Force 

 of vapour, 

 (open Sea). 



Elastio Force 

 of Vapour, 

 (near Land). 



Relative 

 Humidity. 



Barometer 

 Batavia. 



Barometer 

 Pacific. 



- 1° 10' Lat. 

 - 150 4' Long. 



Barometer 

 Helder. 



Fig. 1. 



Fig. 2. 



Fig. 3. 



Fig. 4. 



Fig. 6. . 



Fig. 6. 



Fig. 7. 



Fig. 8. 



"3 



a 



CO 



a 



co 



Barometer 

 Valentia. 



.020 inch. 

 Mean. 



>, 



Barometer ° 2 ° mcn 

 Amsterdam. Mean. 



Barometer 



Pola. 



.020 inch. 



Mean. 



- .020,, 



.020 inch. 



Barometer 

 Helsinfors. Mean. 



Barometer -° 2 ° inck 

 Hamburg. Mean. 



Barometer 

 Kew. 



.020 inch. 



Mean. 



„ .020 inch. 



Barometer 



Culloden. Mean. 



Barometer 

 Fort Rae. 



.020 inch 

 Mean. 

 - .020 ,, 



-^ 



J^Fig. 9. 



Fig. 10. 



Fig. 11. 



Fig. 12. 



Fig. IS. 



Fig. 14. 



Fig. 16. 



Fig. 16. 



