122 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 79 



1903 January to March have been interpolated from the 

 charts in " Deutsche Sudpolar Expedition 1901-1903." 

 Meteorologischer Atlas .... von W. Meinardus u. L. 

 Mecking. Berlin, 191 1. 

 Temperature. 



Site: The height of the thermometer above Mean Sea Level was 



y.y m. throughout the period. 

 Hours: The values given are the means of 24 hourly observa- 

 tions. 

 Precipitation. 



The rim of the rain gage was i m. above the ground. 



SOUTH PACIFIC 

 MALDEN ISLAND 



Lat. 4° i' S. Long. 155° i' W. 

 Pressure. 



Authorities: 1890 March to 1918 August. Manuscript returns 



communicated by the Maiden Island Proprietary 



Company, Limited, and filed in the Meteorological 



Ofifice, London. 

 Site: 



1890 March to 1897 April 6^ ft. 



1897 July to 1901 May 18 ft. 



1901 June to 1909 June 23 ft. 



1909 July to 191 1 August 20 ft. 



191 1 September to 1913 November 29 ft. 



1913 December to 1918 August 26 ft. 



All values are reduced to Mean Sea Level by corrections 



given in Table A. 



Table A.— Corrections to Reduce Pressure Values to Mean Sea Level 

 from Various Heights 



i64 feet + .007 inch 20 feet + .020 inch 



18 feet + .018 " 29 feet + .030 " 



23 feet + .024 " 26 feet + .027 " 



Instniuicnt: From 1890 March to 1897 April, an unknown 

 barometer with an index error correction of 

 + .004" was in use. From 1897 July i)robably up 

 to 1918 August, barometer No. C. 683 (Adie) with 

 no known index error correction was in use. 



