40 



THE CUBA REVIEW 



THE WOOD OF MANGROVES 



Mangroves are highly valued in New 

 Caledonia, as they iirevent the erosion of 

 the coast and afford shelter for the cocoa- 

 nut plantations, ilcncc an application for 

 a concession to cut down the trees for the 

 sake of the bark has been refused. Man- 

 grove bark in East and West Africa was 

 collected and sold in 1909 to the extent of 

 15,295 tons, and prices ranged at Hamburg 

 between £5 13s to £6 9s per ton. The 

 average tannin content of the bark ranges 

 from 38 to 42 per cent and is lioiight up 

 by the leather factories in Germany and 

 France. 



The value of the wood from mangrove 

 trees differs considerably. That of the 



West African variety is extremely hard, 

 and is adapted to making piles and rail- 

 way sleepers. The effect of sunlight and 

 heat on the wood has not yet been de- 

 termined. Cuba is full of mangroves, and 

 while of too small a girth generally to 

 permit of such uses as are mentioned 

 above, still if the wood is valuable, there 

 are doubtless many ways in which it could 

 be employed. 



"Years of time and thousands of dollars 

 have been wasted in Cuba by importing 

 stock from foreign localities that have 

 proved worthless when they became old 

 enough to produce fruit." S. S. Ilarvey 

 ill the Hai'itiia I'osl. 



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