Cultivation of the Orange and Lemon. 93 



ceeds of their permanent plantations. These hill 

 tribes are conterminous with the Sylhet facing, and it 

 is along this facing alone, and the valleys and slopes 

 which descend into the plains, that permanent planta- 

 tions of oranges, jack, betel palms, and pineapples are 

 to be found, together with villages also of a permanent 

 character, and yearly improving. 



To make the oranges keep after gathering, the 

 Khasias expose them on machdns* in their houses, 

 with the wind blowing through, and turn them over 

 frequently. 



Mr. Brownlow sent a sample of the soil from the 

 orange groves ofShalla to Calcutta. It was analysed 

 by Mr. David Waldie, F.C.S., and found to contain 

 the following ingredients : 



Dried at 212 Fahr. 

 Alumina. ..... 



Peroxide of iron .... 



Lime ...... 



Magnesia ..... 



Alkalies (by difference) and loss 

 Silica solut. ..... 



Sol. in Hy. Chi. acid 12*29 



Then 



Alumina, chiefly with a little oxide of iron 



and a little lime .... 3-49 



Dissolved by heating with Sulphuric acid, 

 organic matters, and combd. water 

 lost by burning .... 5-66 



Silica and quartz 78*56 



Parts loo'co 

 * Stages made of bamboo, or other material. 



