MINERAL RESOURCES. 
437 
The trees of the Arctic Zone are said also to anticipate the 
season, and while the ground is still frozen begin to dis- 
play green buds. The Portuguese are kind masters to 
their slaves, but the half castes are very cruel, so that a 
proverb of the place runs, “ God made white men, and 
God made black men, but the devil made half castes.” 
Most of the native Africans are natural traders, and love 
trade more for the sake of trading than for what they make 
by it. The dice doctor is an important member of tbs 
community, being consulted by the Portuguese as well as 
by the natives. Part of his business is to discover thieves. 
This he does by looking at the place, then throwing his 
dice, waiting a few days for consideration, and then telling 
who the thieves are. He is generally right, for his period 
of consideration is spent in consulting his agents and 
spies, who are scattered all over the village. Since the 
introduction of guns, there have arisen gun doctors, who 
sell medicine to make good marksmen. 
Indigo and senna grow here naturally. A little cotton 
ie cultivated by the natives, for the manufacture of a 
coarse cloth. Sugar cane is also cultivated, and sugar is 
made, but by a most primitive process. Magnetic iron ore 
is found near Tettc, and coal in abundance. Within a couple 
of days of Tette, gold is found in the river beds. The sun 
is excessively hot and feels sharp in Africa; but probably 
from the greater dryness of the atmosphere, we never 
heard of a single case of sunstroke, so common in India. 
After making a trip to the cataract of Morumbwa, in 
which great difficulties had to be overcome, from the wild 
character of the country, and the intense heat of the 
Weather, they returned by a detour, and on the way back 
were one evening entertained by a concert of native musi- 
cians with their wild and not unpleasant music on the 
Marimba, an instrument formed of bars of hard wood 
cf varying breadth and thickness, laid on different-sized 
hollow calabashes, and tuned to give the notes. At the 
•ad of the dry season everything is parobed and dusty. 
37 * 
