19d 16' 11" S., long.

24d 24' E.) we were brought to a stand by four of the party being seized with fever.
I had seen this disease before, but did not at once recognize it as the African fever; I imagined it was only a bilious attack, arising from full feeding on flesh, for, the large game having been very abundant, we always had a good supply; but instead of the first sufferers recovering soon, every man of our party was in a few days laid low, except a Bakwain and myself.

He managed the oxen, while I attended to the wants of the patients, and went out occasionally with the Bushmen to get a zebra or buffalo, so as to induce them to remain with us.
Here for the first time I had leisure to follow the instructions of my kind teacher, Mr.Maclear, and calculated several longitudes from lunar distances.

The hearty manner in which that eminent astronomer and frank, friendly man had promised to aid me in calculating and verifying my work, conduced more than any thing else to inspire me with perseverance in making astronomical observations throughout the journey.
The grass here was so tall that the oxen became uneasy, and one night the sight of a hyaena made them rush away into the forest to the east of us.

On rising on the morning of the 19th, I found that my Bakwain lad had run away with them.