5 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 79 



date they have been exposed in a large-sized Steven- 

 son screen together with autographic instruments. 

 Hours: The standard adopted is the mean between the mean 

 daily maximum and mean daily minimum. 



CALABAR, SOUTHERN NIGERIA 



Lat. 4° 58' N. Long. 8° 19' E. 

 Precipitation. 

 Authorities: 



1895 April to 1896 March. Meteor. Zeitschrift, 20, 1903, 

 p. 474. 



1898 February to 1901 June. jManuscript returns communi- 

 cated by the Medical Officer and filed in the 

 Meteorological Office, London. 



1901 August to 1905 December. Data extracted by Mr. 

 C. E. P. Brooks for " The Rainfall of Nigeria and 

 the Gold Coast," London Q. J. R. Meteor. Soc, 42, 

 19 16, p. 85. These data were in many cases sup- 

 plied in manuscript by the Medical Officer. 



1 906- 19 10. Nigeria Government Gazettes. 



1911-1913. Southern Nigeria Blue Books. 



1914-1920. Nigeria Blue Books. 

 Site: The height of the site above Mean Sea Level is unknown, 

 but from some barometric observations it is esti- 

 mated as 40 ft. 



CAPE SPARTEL, TANGIERS 



Lat. 35° 47' N. Long. 5° 55' W. 

 Pressure. 



Authorities: 1893 to 1920. Manuscript returns supplied by 

 Mr. Edwin C. Hathaway and filed in the Meteor- 

 ological Office, London. 

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



1894 to July 1914 197 ft. 



1914 September to 191 5 Decemljer 235 ft. 



1916 January to 1920 197 ft. 



All values have been reduced to Mean Sea Level by a height 

 correction based on the dry -bulb temperature ; this 

 correction is as follows : 



1894 to July 1914 about. . +.215 in. 



1914 September to 1915 December about. . -^.252 in. 



1916 January to 1920 about. . -^-.215 in. 



