Proceedings of the Society, 1 5 



18 per cent of moisture, but when exposed to the air, it 

 ri gained its original weight in the course of 24 hours. '( ho 

 Hygrometer being 72 : . 



Mr. Lienard, Vice-President, presented Tables showing 

 the fall of raiu and the evaporation at t e Ls'.and of i)ii'j;o 

 Garcia, (7° South, 72 s East,) during the nine months from 

 June to September 1840, compared with the same at Mau- 

 ritius during that period. It appears that the fall of rain ;<i 

 Diego amounted to 871 inches JO lines, and the evaporation 

 to 494 i. 4 I. while here the fall was only 224 i. 7 I , arid tin- 

 evaporation 201 i. 4 I., showing the extraordinary difference 

 of 047 i. 3 1. of rain and 293 i. of evaporation, between pla- 

 ces differing so inconsiderably in geographical position. 



(Thursday, Wth February 1 847. ) 



The Hon. G. F. Dick, President, in the Chair. 



Present: — Mr. Bojer and Mr. Lienard, Vice-Presidents, 

 Mr. Bouton, Secretary, and fourteen ordinary members. 



Sir John Rae Reid, Bart., was, on the motion of the 

 Council, elected viva voce an Honorary Meinbei of the So' i- 

 ety. 



Mr. N. Geffroy, was proposed by Mr. Desenne, Treasu- 

 rer, and seconded by Mr. Hart. 



The Secretary read a letter from Dr. L'lcoq, a knowledg- 

 iog the receipt of the Secretary's letter, announcing his ha- 

 ving been elected a Resident Member of the Society. 



Seeds of the Joliffia Africana (Boj.), were presentfd to 

 the Society by Lady Gomm and Mr. Cursane Cuoing- 

 bame. The Secretary was directed to offer the thanks 



h 



