PHYTOGEOGRAPHICAL REMARKS. 



Observations made at Paramaribo during the years 1847 — 1854, ii 

 1892, 1897. 1899 — 1901. 



January .... 

 February .... 



March 



April 



May 



June 



July 



August .... 

 September . . . 

 October .... 

 November . . . 

 December . . . 



Total 



2326.1 



That a very great number of observations is necessary in this case for 

 obtaining a sufficiently accurate mean value, appears from the fact that the 

 rainfall at Paramibo during the first half year for 1902 was as follows : 



January .... 

 February .... 



March 



April 



May 



June 



Total 



182.4 

 558.3 

 222.3 

 522.4 

 252.4 

 406.6 



2144.4 m.m. 



Whereas the average rainfall in the first six months of the year is 

 only 1463. 6 mm. 



The average number of rainy days is 204 annualy, so that an eventual 

 dry period will never last long. 



From the figures for the rainfall it appears that on the average there 

 are two maxima every year, namely in Dec. — Jan. (the so called minor wet 

 period) and in May -June (the so-called major wet period). Further 2 minima 



