They were curious even to myself; for, though I had tried several times since we left Ngio to take lunar observations, I could not avoid confusion of time and distance, neither could I hold the instrument steady, nor perform a simple calculation; hence many of the positions of this part of the route were left till my return from Loanda.

Often, on getting up in the mornings, I found my clothing as wet from perspiration as if it had been dipped in water.
In vain had I tried to learn or collect words of the Bunda, or dialect spoken in Angola.

I forgot the days of the week and the names of my companions, and, had I been asked, I probably could not have told my own.

The complaint itself occupied many of my thoughts.

One day I supposed that I had got the true theory of it, and would certainly cure the next attack, whether in myself or companions; but some new symptoms would appear, and scatter all the fine speculations which had sprung up, with extraordinary fertility, in one department of my brain.
This district is said to contain upward of 40,000 souls.