SOUTH AFRICA: 1905. 621 
the evening, Professor Ayrton lectured in St.'Mary’s Hall on the ‘ Distribution of 
Power.’ 
On Wednesday morning, work was continued in the several Sections; and in 
the evening, Professor Darwin delivered the second portion of his Presidential 
Address. Mr. Lamplugh’s report on his expedition to the Batoka Gorge was 
given as an afternoon Address to the Geological Section (vide p. 292). 
Fic. 2.—Route Map. 
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of: Johannesbur, SWAZI 
Aug. 28-Sepe? WAS 
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MILES 50 Q 50 100 200 MILES 2 Stanfords Geog' Extah! London 
Thursday was entirely“ occupied with the visit to Pretoria. Lunches were 
given at the three principal hotels; and a large party visited the Premier Diamond 
Mine. Sir Arthur Lawley, Lieutenant-Governor of the Transvaal, gave a garden 
party at Government House; and in the evening Mr. Shipley lectured on ‘ Fly- 
borne Diseases’ (vide p. 631), On the same evening, in Johannesburg, Professor 
Arnold lectured on ‘Steel as an Igneous Rock’ (vide p. 630). : 
a 
