Locfajer and Lochjer. Roy. Sac. Pro/:., vol. 73, Plate 13. 



1870 1880 1890 1900 



1 



BOMBAY f-_ 

 INDIA +j 



(APR- SEP) 1- 

 29-70- 



CORDOBA 4 " 

 S. AMER* 5 " 



(APR -SEP.) 6 - 

 CURVE 



1 NVERTED 



727 J 





A- 



v\ 



A, 



1 1 1 1 1 1 1 



La 





ADELAIDE ' 5 

 S AUSTR* l0 " 



(year) 3O05- 

 ■89-1 



SYDNEY 

 NOVA SCOT 92 " 



(year) .95- 



CURVE 



1 NVERTED. 



29-98 J 



A 



IV 





Aa 



A 







58-1 



BERUFJORD 

 ICELAND 53 " 



(oct - mar) 74.8- 

 58-1 



DELGADA 

 AZORES 61 " 



(OCT- APR.) 64 _ 

 CU RVE 



1 NVERTED 767- 



'1 1 1 1 1 1 1 1 



1 1 1 1 



A 



/A 



A 



A 







1870 1880 1890 1900 



PLATE 13. — Three pairs of Curves to illustrate Reverse Pressure Conditions ;it stations widely separated geographically, 

 such as India and Cordoba (8. America), Adelaide (S. Australia) and Sydney (Nova Scotia), and at two stations near each 

 other, as Borufjord (Iceland) and Delgada (Azures). In each case the .-econd curve has been reversed. JSute. — Vertical lines 

 same as in Plate 12. 



