EXPLANATION OF PLATES. 



Plate I. Surface temperatures at Stations I-XXIII visited between 

 5th March and 26tli April, 1900. 



Plate II. Surface temperatures observed off Table Bay 3rd March, 

 1898, and on a voyage to St. Helena Bay from 11th to 

 18th February, 1898. 



Plate III. Section through Stations I- VI showing isothermal 

 lines for - \ 55" and oO^ together with Wtom tem- 

 peratures. Depth is in fathoms. 



Plate IV. Section through Stations VI~XI showing isothermal 

 lines for 60", 55\ 5o'' and 45"^ together with bottom 

 temperat- ires. 



Plate V. Section through Stations XVII-XX showing isothermal 

 lines for 60^, 55'=', oO'* and 45'' together with bottom 

 temperatures. 



Plate VI. Mean monthly temperatures of surface water in Simon's 

 Bay and Table Bay for the period 1898-1900. 



Plate VII. Mean monthly temperatures observed off Table Bay 

 1«53-1878, and in Table Bay 1898-1900. 



Plate VIII. Mean temperatures and specific gravity of sea water 

 at or near five Stations between Table Bay and False 

 Bay. 



Plate IX. Temperatures and specific gravity observed at intervals 

 of 5 minutes on a voyage between Table Bay and Simon's 

 Bay on 17th November, 1897. The vertical lines 

 represent intervals of 5 minutes. 



Plate X. Temperatures and specific gravity of sea water of obser- 

 vations by Mail Steamers from June, 1898. to June, 

 1899. 



[Published 15th Mareh, 1 902. J 



