LIVINGSTONE. 
223 
of recommendation to the officials on the east coast, and 
speaks in the warmest terms of the generosity of the 
Portuguese merchants and officials. From Loanda 
O 
Livingstone sent his astronomical observations to Maclear 
at the Cape, and an account of his journey to the Royal 
Geographical Society, which in May, 1855, awarded him 
its highest honour, their gold medal. Loanda was left on 
September 20, 1854, but Livingstone lingered long about 
the Portuguese settlements, visiting the Coanza, and 
LIVINGSTONE ON THE ZAMBESI. 
examining the country and its resources. Making a 
slight detour to the north to Cabango, the party reached 
Lake Dilolo on June 13. Here Livingstone made a 
careful study of the watershed of the country in what is 
perhaps the most complicated river system in the world. 
He “ now for the first time apprehended the true form 
of the river systems and the continent,” and the con¬ 
clusions he came to have been essentially confirmed by 
subsequent observations. The return journey from Lake 
Dilolo was by the same route as that by which the party 
